Think carefully before deciding who ________.
A. invites B. is invited C. will be invited D. will invite
How tidy the room is! Tom ________ the room.
A. is cleaning B. was cleaning C. will clean D. has cleaned
These problems are too hard to ________. Will you give me some advice?
A. look out B. work out C. hand out D. find out
If it ________ today, we’ll have to leave on Wednesday instead.
A. snows B. snowed C. will snow D. is snowing
I decided ________ at least once a week.
A. exercise B. exercised C. to exercise D. exercising
My little sister ________ at home. I need to be with her.
A. studies B. studied C. have studied D. is studying
