5. All their attempts to ________ the child from the burning building were in vain.
6.
| A．regain | B．recover | C．rescue | D．reserve |
Although I have four topics ________ , I still don’t know what to write about.
| A．choosing from | B．to choose | C．to choose from | D．to be chosen |
It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.
| A．must be | B．must have been | C．should be | D．should have been |
I’ll never forgive ________ you _____ what you said to me last night.
A, with ; about B. / ; / C. to ; because of D. / ; for
The French pianist who had been praised very highly _______ to be a great disappointment.
| A．turned up | B．turned in | C．turned out | D．turned down |
________ fun it is to jump into a pool or go swimming in summer!
| A．What a | B．How | C．How a | D．What |