For your safety, you mustn’t get close to the train ________ it stops.
| A． |
while |
B． |
when |
C． |
since |
D． |
until |
The students were singing an English song _______ Mr. Xiang came into the classroom.
| A．after | B．when | C．before | D．as |
My uncle keeps a lot of ______ and __________ on the farm.
| A．sheep; goose | B．sheeps; goose |
| C．sheep; geese | D．sheeps; gooses |
I feel tired, but I don’t want to stop _______.
| A．work | B．to work | C．works | D．working |
—Must I park my car behind the building?
—No, you _______. You _______ park it there.
| A．mustn’t; may |
| B．may not; must |
| C．don’t have to; may |
| D．shouldn’t; must |
I _______ draw, but now I am fond of it.
| A．wasn’t use to | B．didn’t use to |
| C．am not use to | D．don’t use to |