1. I can't wait to go to the USA.

2. I look forward to going to the USA.
3. I anticipate going to the USA.
4. I long to go to the USA.
5. I desire to go to the USA.
6. I expect to go to the USA.

(Are they all the same in meaning? Which ones are similar to #1 in meaning?
Do you have some more expressions which are similar to #1 in meaning?)

"can't wait" implies the same as the verbs in 2 and 3. The others are pretty close, but not exactly the same.

1 is similar to 2 and 3 (maybe 4?)

1. "I can't wait to go to the USA." expresses a strong sense of excitement and impatience about going to the USA.

2. "I look forward to going to the USA." conveys a sense of anticipation, eagerly awaiting the experience of going to the USA.

3. "I anticipate going to the USA." has a similar meaning to the previous expressions, suggesting an expectation and excitement about going to the USA.

4. "I long to go to the USA." expresses a deep and intense desire or longing to go to the USA.

5. "I desire to go to the USA." also conveys a strong want or wish to go to the USA, but it might sound more formal or poetic compared to the other expressions.

6. "I expect to go to the USA." implies a certain level of confidence or belief that going to the USA is a future event that will happen.

All the expressions convey a desire or excitement to visit the USA, but there are subtle differences depending on the intensity or formality of the statement.

Some other expressions similar to #1 in meaning could be:

- "I'm really eager to go to the USA."
- "I can't wait for the opportunity to visit the USA."
- "I'm dying to go to the USA."
- "I'm itching to go to the USA."

These phrases all convey a sense of enthusiasm and impatience towards visiting the USA.