1. Referring to Mike's passage, complete the next passage about the way from school to your house.

1-2. Referring to Mike's passage, write the way from school to your house in the next incomplete passage.
(There are two passages;one is Mike's passage, and the other is an incomplete passage to be filled in. Which one is suitable? Are both expressions OK?)

2. Write suitable words in the blanks.
2-2. Write suitable words for the blanks.
2-3. Write words suitable in the blanks.
2-4. Write words suitable for the blanks.

(Which one is grammatical?)

3. After you read the following passage, write it again according to the punction marks and the grammar.
(There is a passage in the parentheses, which is not grammatical. Students are to write it again based on grammar and punctuation marks. Is the expressionin 3 correct?)

#1 - It would be better to say, "Referring to Mike's passage, write down how to get from school to your house in the next passage."

#2 - The first one is best.

#3 - "After you read the following passage, write it again, correcting all the grammar and punctuation errors."

1. Referring to Mike's passage, complete the next passage about the way from school to your house.

This question is asking you to use the information from Mike's passage to complete another passage about the way from school to your house.

2. Referring to Mike's passage, write the way from school to your house in the next incomplete passage.
(There are two passages; one is Mike's passage, and the other is an incomplete passage to be filled in. Which one is suitable? Are both expressions OK?)
The expression "Referring to Mike's passage, write the way from school to your house in the next incomplete passage" is suitable. Both expressions are okay, but the second one is clearer and more accurate.

2. Write suitable words in the blanks.
2-2. Write suitable words for the blanks.
2-3. Write words suitable in the blanks.
2-4. Write words suitable for the blanks.
(Which one is grammatical?)
All four expressions are grammatical. The choice depends on personal preference and style.

3. After you read the following passage, write it again according to the punctuation marks and grammar.
(There is a passage in the parentheses, which is not grammatical. Students are to write it again based on grammar and punctuation marks. Is the expression in 3 correct?)
The expression "After you read the following passage, write it again according to the punctuation marks and grammar" is correct. It accurately conveys that students need to rewrite the passage with correct grammar and punctuation marks.