问题

___ smoking, he would not have got cancer in thelung.

A:Was he givenup
B:Had he givenup
C:Did he give
D:If he gave up

正确答案是：

同类题型

____ more effectively with others, more and more people equip themselves with a higher education.[ ]

What languages ________ in that country?German and English.

Mum, I’ve finished my work.—Good, and ________ you choose to play on your PSP or listen to music on your iPod, you mustn’t disturb me.

They arrive at the bus stop on time.

he met with the difficulty did he realize the importance of our help. [ ]