John,________ you have to wear sports shoes for gym class today?
They would rather spend time _____ than _____ in the street.
_____ Blacks are going to the park. Why don’t we go for _____ walk, too?
-Do you know ? -Two weeks ago.
-Let's go to Hainan on vacation. -Oh, no. I have to Hainan several times.
I have trouble dealing with the problems, but I will never .