Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
| A．/; the | B．the; / | C．an; the | D．the; a |
.
--- It is said that you have given up your job as a secretary. Why?
--- The salary is OK, but I have got ___________ nothing in the office all the time.
| A．tired of doing | B．tired with doing |
| C．tiring to do | D．tiring with doing |
.
When he was young, he used to __________ hard at his lessons.
| A．devote to working | B．devote himself to work |
| C．be devoted to work | D．be devoted to working |
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--- What do you think our guests ___________ be doing at the moment?
--- They must be enjoying themselves at the party.
| A．can | B．must | C．should | D．would |
.
Only in this way ______ our goals.
| A．we can reach | B．can we arrive | C．we can arrive | D．can we reach |
.
11. Tom wanted to play football after school, but Jack told him ______.
| A．not to | B．not to do | C．not do it | D．do not |