问题

Sorry to disturb you, ________ can I use yourphone– Oh, go ahead.

A:and
B:if
C:when
D:but

正确答案是：

同类题型

________, 90% of the money ____ hers.

下列各句中，没有语病的一句是(　　)

When did you arrive here?—Just ______when you left

Would you mind my sharing yourEnglish newspaper—_____.