Something must be done to prevent our city ____ by thick smoke.
| A．to be polluted | B．from polluting | C．from being polluted | D．polluting |
—He’s got our tickets.
—That’s good I ________afraid that he ________them.
| A．am; has forgotten | B．was; had forgotten |
| C．was; forget | D．am; will forget |
Children who are over-protected by their parents may become ________.
| A．hurt | B．spoiled | C．damaged | D．harmed |
Everybody in the village likes Jack because he is good at telling and________ jokes.
| A．turning up | B．taking up |
| C．making up | D．showing up |
I think you should complain —,of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |
Mary is lovely, kind and full of energy. ________, I can’t speak too highly of her.
| A．As a result | B．By the way |
| C．In a word | D．On the contrary |