He is rather difficult to make friends with, but his friendship, ____, is more true than any other.
| A．once gained | B．when to gain |
| C．after is gained | D．while gaining |
It was the second time that we ______ in holding such important parties.
| A．had succeeded | B．succeed |
| C．succeeded | D．have succeeded |
She opened her eyes and was about to cry out ______ she heard her father urgently telling her to keep quiet.
| A．when | B．while | C．before | D．after |
Let children speak their own opinions, ______they are different from your own.
| A．until | B．unless | C．as though | D．even if |
----What did he say?
----He asked ______ for the book.
| A．how much did I pay |
| B．I paid how much |
| C．did I pay how much |
| D．how much I paid |
It was ______terrible earthquake and ______ number of people who were killed reached more than 20,000.
| A．the, a | B．a, the | C．the, the | D．a, a |