Mom, I'm going to the stationery store. I'll buy some ball-point pens, fountain pens, and mechanical pencils. I'll buy some notebooks and workbooks, too. I'll come back around 7:00 p.m.

Don

(Is this passage corect?)

1. I'll be back around 7:00 p.m.
2. I'll come back around 7:00 p.m.
3. I'll return around 7:00 p.m.
4. I'll turn back around 7:00 p.m.

(Can we use all sentences above? Are they all correct? Can we use 'about' instead of 'around'?)

5. Choose suitable response and write as in the example. The suitable response for this statement is 'I'll open the window for you.'
(Would you check this passage?)

6. Mark on the shopping list to find out what you bought. ( Is this correct? Do I have to erase 'on'?)

7. You should check the box before milk.

7-1. You should check milk.
7-2. You should tick milk.
7-3. You should mark milk.
7-4. You should check the square before milk.

(Milk is the item a person bought in a dialogue. Are the expressions all correct from 7 to 7-4?)

#4 = I'll turn back = sounds odd. Yes on about or around.

#5 = Choose a suitable response / write as in the example could be "follow the example."

#6 = I'm not quite sure what you mean. Mark on the shopping list what you bought?

Everything else looks fine.

Sra

1. I'll be back around 7:00 p.m. - This sentence is grammatically correct and conveys the intended meaning.

2. I'll come back around 7:00 p.m. - This sentence is also grammatically correct and conveys the same meaning as the previous sentence.

3. I'll return around 7:00 p.m. - This sentence is grammatically correct and has the same meaning as the previous sentences.

4. I'll turn back around 7:00 p.m. - This sentence is grammatically correct, but it may not be the most common or natural way to express the idea. The previous sentences would be more commonly used.

Regarding the use of "about" instead of "around," both words can be used interchangeably in this context to indicate a rough estimate of time.

5. Without context or options to choose from, it's difficult to determine the suitable response for this statement. However, the sentence itself is grammatically correct.

6. "Mark on the shopping list to find out what you bought." - This sentence is grammatically correct. There is no need to erase "on." However, the sentence might be more clear if you say, "Mark on the shopping list what you bought."

7. You should check the box before milk. - This sentence is correct and effectively conveys the idea that there is a box that needs to be checked before getting the milk.

7-1. You should check milk. - This sentence is grammatically correct, but in this context, it's unclear what exactly needs to be checked about the milk. It would be more precise to mention the box or the item associated with the milk.

7-2. You should tick milk. - This sentence is also grammatically correct, but it would be more commonly used if you were referring to ticking an item off a checklist rather than checking an item before obtaining it.

7-3. You should mark milk. - This sentence is grammatically correct, but it's not clear what needs to be marked in relation to the milk. It would be more precise to mention the box or the item associated with the milk.

7-4. You should check the square before milk. - This sentence is correct and clearly conveys that there is a square that needs to be checked before getting the milk.