They found ______ very hard to work out the problem.
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.
____! The traffic is heavy.