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
He ___________ the volunteer group last year and ___________ many activities since then.
A. took part in…joined B. joined…took part in C. joined…has taken part in
The young man used to ___________ to work, but he is used to ___________ to work now.
A. drive, walking B. drove, walked C. drive, walks