You’d better choose someone you think kind and friendly to help you.
| A．whom; to be | B．who; is | C．that; is | D．which; to be |
The book didn’t _______ children probably because it employed too many scientific terms.
| A．apply to | B．refer to | C．intend to | D．adapt to |
Speaking of all the songs he has written, I think this is probably his _______ one.
| A．better-known | B．well-known |
| C．best-known | D．most-known |
I would appreciate it _______ you call back this afternoon for the doctor’s appointment.
| A．that | B．if | C．which | D．whether |
We can never expect _______ bluer sky unless we create _______ less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
We all know that, _______, the situation will get worse.
| A．not if dealt carefully with | B．if not carefully dealt with |
| C．if dealt not carefully with | D．not if carefully dealt with |