He will come to understand your efforts sooner or later. It's just a matter of_______.
| A．time | B．value | C．luck | D．fact |
Lang Lang is a Chinese pianist ________ is famous all over the world.
| A．who | B．what |
| C．which | D．why |
Annie wasn’t at school today because she had to stay at home to ________ her mother.
| A．look after | B．look at |
| C．look up | D．look for |
— I’m afraid you ________play basketball here.
— I’m sorry I won’t.
| A．need | B．needn’t |
| C．can | D．can’t |
—Where’s dad?
— He ________on the phone in the bedroom.
| A．talks | B．talked |
| C．has talked | D．is talking |
—________ does it take to go to Hangzhou from Wenzhou by train?
—It usually takes about three hours.
| A．How long | B．How much |
| C．How many | D．How often |