I was driving on the highway __________a car went past followed by a police car, both of _______ must have been running at a speed of 150 kilometers per hour.
| A．as; which | B．while; them |
| C．when; which | D．when; that |
相关试题
When he was young, he used to ______ hard at his lessons.
| A．devote to working | B．devote himself to work |
| C．be devoted to work | D．be devoted to working |
Mary is very clever and ______ worth teaching, but her brother is not．Look, he is now ______ asleep in class．
| A．very, very | B．much, very | C．well, fast | D．well, very |
--- Could you be so kind as to close the window?
--- ______.
| A．With pleasure | B．Go ahead | C．Yes, please | D．That's nice of you |
— We did not see him at the lecture yesterday．
— You ______ him, since I went to an international conference with him．
| A．mustn’t have seen | B．can’t have seen |
| C．couldn’t see | D．needn’t have seen |
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