Mary and Joy are ____ Class One. They are ____ the USA.
A. from; in B. in; from
C. to; from D. in; to
Please remember ___________ the letter for me on your way to the supermarket.
A. to post B. post C. posting
You look exhausted. What happened ___________ you?
A. on B. with C. to
The doctor said he was overweight and should pay attention ___________ exercise.
A. to do B. to doing C. do
You can’t take away things that ___________ you.
A. aren’t belong to B. don’t belong C. don’t belong to
–___________ do you visit your grandparents? –Twice a month.
A. How long B. How soon C. How often