—Where is Bob? I cannot find him anywhere.
—He have been off long. I heard him make a call just now.
| A．shouldn't | B．can’t | C．mustn’t | D．needn’t |
相关试题
--- What did the professor tell you to do?
--- I had to write a ________ report.
| A．three-thousand words | B．three thousands word |
C．three-thousand-word | D．three-thousand-words |
To my surprise, the so-called “cheap” restaurant was ___ I expected.
| A．as expensive as twice | B．as twice expensive as | C．expensive as twice as | D．twice as expensive as |
The terrible disease, ______ already kills about one million people each year, has grown resistant ______ standard medicine..
| A．which, to | B．that, to | C．that, against | D．which, against |
_____ well prepared you are, you still need a lot of luck in mountain climbing.
| A．However | B．Whatever | C．No matter | D．Although |
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