问题

Quantities of waterfor cooling in the only one of the plants thatsteel[ ]

A: has been needed;produces
B: are needed; produces
C: is needed;produce
D: have been needed;produce

正确答案是：

同类题型

Mum, can I go out to play basketball—— No. You mustn’t go out until your homework ________.

Could you_____ me this book please, Daniel— Sorry, but I_____ it for only half an hour. I haven’t finished it.

It’s nice to see you again. Have you changed jobs—No, ________ my cousin here.

Don’t ______ until the bus stops. Or it’s too dangerous.

The Chairman asked me to my speech to 20 minutes.[ ]