You’d better not read ________ the sun. It’s bad for your eyes.
A. on B. in C. at
—Tom along with his parents _____ to Hong Kong on holiday , right?
—I think so. They must be having fun in Hong Kong now .
| A．has gone | B．have gone |
| C．has been | D．have been |
The first thing ________ my brother is going to do this afternoon is to write a letter.
| A．why | B．who | C．that | D．whose |
Giving a hand to others _____ little, but it’ll bring you _____ much.
| A．takes; such | B．pays; such |
| C．spends; so | D．costs; so |
—Jim, how about keeping a dog as a pet?
—Good idea! But I prefer to have a cat. The dog is ______ to look after.
| A．difficult | B．more difficult |
| C．most difficult | D．the most difficult |
—Dad, there is something wrong _____ my computer. I can’t get on the Internet.
—Why? Let me have a look. Oh, it’s wrong _____ you to click a wrong icon.
| A．with; with | B．with; of |
| C．of; with | D．of; of |