The sentence needs __________ once more.
| A．to explain | B．explaining |
| C．being explained | D．to be explained it |
The plan ________encourage the employees to improve their work turned out to be a success.
| A．having designed to | B．designed to |
| C．to design to | D．designing to |
—How often do you go out for supper?
—________，once a week.
A．Have no idea B．It depends C．As usual D
．Generally speaking
He’d _____
____a volleyball court on the beach with stick.
| A．turned out | B．marked out | C．made out | D．broken out |
George Washington was born in 1732 in a rich family in ______
_ is now the state of Virginia.
| A．which | B．where | C．that | D．what |
The scientists are able to ________ accurately when the spaceship will reach the 
moon.
| A．accumulate | B．calculate | C．appoint | D．estimate |