If you ______ go, at least wait until the rain stops.
| A．can | B．must | C．should | D．would |
——You didn’t wait for Mr. Black last night, did you?
——No, but we ____. He didn’t return home at all.
| A．couldn’t have | B．needn’t have |
| C．didn’ t need to | D．should wait have |
We should know that we can only reach the top if we are ready to ____ and learn from failure.
| A．deal with | B．depend on | C．carry on | D．go with |
As time went by, the plan ____ fairly practical.
| A．to proved | B．to proving |
| C．proved | D．to be proved |
I have no one ____ me, for I am a new comer here.
| A．help | B．helping |
| C．to help | D．to have helped |
Young as he is, David has gained ____ rich experience in ____ society.
| A．the; the | B．a; 不填 | C．不填；不填 | D．不填；the |