—In case anyone ________ come in my absence, tell him I will be back soon.
—Sure, I will.
| A．would | B．should |
| C．will | D．shall |
San Diego’s Zoo and Sea World are places where residents and visitors alike can enjoy r animals and plants in shows and exhibits, ___ in part by San Diego’s climate.
| A．made it possible | B．making it possible |
| C．making possible | D．made possible |
Not until all the fish died in the riverhow specious the pollution was.
| A．did the villagers realize | B．that the villagers realized |
| C．the villagers did realize | D．didn’t the villagers realize |
To help a friend solve the problem troubling him,.
| A．a friend should be made known of his difficult situation |
| B．a man should be equipped with the kind of knowledge required |
| C．nothing is better than offering of knowledge required |
| D．keeping one’s promises is most important |
Contemporary English is quite different from Old English. There has never been a yearthe language was not changing.
| A．that | B．when | C．for | D．until |
It is not uncommon for thereproblems of communication between the old and the young.
| A．being | B．would be | C．be | D．to be |