_________I borrow your lighter for a minute?—Sure, no problem. Actually, you _________keep it if you want to. I’ve given up smoking.

Lily often helps us _______ our English. [ ]

Is that your bike, in front of the black one?－No. It’s ______.

I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]

Iknow you are arriving_____ Shanghai next week.[ ]