Whatever he said, his parents wouldn’t _______ him joining the golf club, which annoyed him a great deal.
| A．depend on | B．approve of | C．concentrate on | D．let out |
Animals are obviously _____ lower form of life than ______ man.
| A．a; / | B．the; the | C．a; the | D．/; / |
Recycling is one way to protect the environment; reusing is _____.
| A．another | B．the other | C．one another | D．one |
I would have gone to my cousin’s birthday party last night, but I ______ available.
| A．was | B．had not been | C．was not | D．would not be |
______ is often the case in science, there is no simple answer
| A．That | B．As | C．When | D．Where |
The airport ______ next year will help promote tourism in this area.
| A．having been completed | B．completed |
| C．being completed | D．to be completed |