问题

It was early morning in London _____ Prime MinisterCameron arrived to give his speech.

A:where
B:when
C:while
D:that

正确答案是：

同类题型

Thank you very much for showing me how to use the computer.— ________.

ier to get in touch with us, you’d better keep this card at hand.

The girl ___on the ground ___to me that she had ____thebook on the shelf.

下列各句中，没有错别字的一项是（）

.most parents care about is to provide the best education for their children.