Thisis the best book __________ I've ever bought.
| A．that | B．who | C．with which | D．which |
If you are in trouble，Mike is always willing to ________a hand.
| A．lend | B．shake |
| C．wave | D．want |
The watch was very good，and he ________ 20 percent down for it.
| A．paid | B．cost |
| C．bought | D．spent |
Try not to cough more than you can________since it may cause problems to your lungs.
| A．check | B．allow |
| C．stop | D．help |
David is ________ animal fur，so he won’t visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
Don’t defend him any more.It’s obvious that he________destroyed the fence of the garden even without apology.
| A．accidentally | B．carelessly |
| C．deliberately | D．clumsily |