Smoking is bad for your dad’s health. You’d better ask him to ______.
-The light in the office is still on.-Oh, I forgot __________.
The socks are cheap(便宜的), I’ll________ it.
Could I borrow your car? I'd go downtown. ___
__we didn't get seems better than __we had.
The plane leaves at 9:00 p.m. So I have to be at the airport __8:00 p.m. at the latest.