—What are you mailing, Tom?
— A textbook a new method of teaching physics. I want my friends to take a look at it.
| A．is based on | B．based on | C．basing upon | D．which based upon |
--- What about Mr. Brown’s lecture?
---- I understood most of what he said, but not ________ word.
| A．any | B．each | C．every | D．one |
It was announced that only when the fire was under control ________ to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
---- 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 |