Leaves are found _______ all kinds of trees, but they differ greatly ________ size and shape.
| A．in; on | B．in; from | C．on; by | D．on; in |
---- Did you come to the museum by bike yesterday?
---- No. Two meters of snow fell during the night. As a result, several main roads __ .
| A．would be blocked | B．had been blocked | C．has been blocked | D．were blocked |
----Jack, can you make a sentence to ________ the meaning of the new phrase?
----Well…
| A．show off | B．turn out | C．bring out | D．take in |
My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture.
| A．couldn't attend | B．mustn’t have attended |
| C．shouldn't attend | D．couldn’t have attended |
China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards.
| A．where | B．that | C．when | D．which |
Can you imagine that rats eat 40 to 50 times _______.
| A．by weight | B．their weight | C．in weight | D．of their weight |