We won’t give up ______________we should fail ten times.
| A．even if | B．since | C．whether | D．until |
The man couldn’t _____the fact that the lost watch was found in his house.
| A．explain for | B．account for | C．amount to | D．refer to |
Towards _______evening, ________ cold rain began to fall down.
| A．an; a | B．/ ; a | C．the; the | D．the; a |
Whether life will continue on the earth for millions of years ______will depend on ____this problem can be solved.
| A．to come; if | B．coming; if | C．to come; whether | D．coming; whether |
We expressed the hope________ they would come and visit our hometown again.
| A．which | B．that | C．why | D．how |
Charlie Chaplin was loved by all who watched the film for his determination _____
overcoming difficulties.
| A．to | B．with | C．in | D．on |