14．Mum, you really need to have a. rest! You_________in the kitchen ever since you came back home three hours ago.
| A．had worked | B．were working | C．have been working | D．Worked |
She fully____ the humor of her role in the play and made it a great success.
| A．exported | B．explored | C．exploited | D．exploded |
Don’t worry and I’ll get your car fixed ___ .
| A．at no time | B．in no time | C．at a time | D．at all times |
---- Look! Everything here is under construction.
---- Oh, has the building once ___ for exhibition been pulled down, too?
| A．having been built | B．being built | C．to be built | D．built |
Go on climbing to the top of the peak, and you will see all the____ hills.
| A．surround | B．surrounded | C．surrounding | D．being surrounded |
He will agree to do what you require____ him.
A. of B . from C for D. to