---The zookeeper was really annoyed with me.
--- How could he have been if you _______ stones at the animals?
| A．didn’t throw |
| B．don’t throw |
| C．hadn’t thrown |
| D．haven’t thrown |
Those _____ to go to the exhibition should inform the office.
| A．not wanting | B．who not want | C．not wanted | D．are not want |
There were many more people who got injured in the big fire than _______.
| A．was reported | B．it was reported | C．were reported | D．they were reported |
_____ of water makes Death Valley a desert, but it is by no means devoid.
| A．Lacking | B．Being lack | C．Because of lack | D．Lack |
There are some police cars in front. What do you suppose _____?
| A．is the matter | B．is happened | C．is the wrong | D．the trouble is |
The great use of school education is not so much to teach you things ____ to teach you the art of learning.
| A．as | B．that | C．than | D．but |