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

_____________half an hour earlier, you would have met the famous writer.

We enjoyed ourselves very much!— .

I my history this time yesterdayNow Iall my work for today

I need to advertise for a second-hand mountain bike— _______David just plans tosell his present one