23．— I’m afraid Mr. Hugh can’t see you until 11 o’ clock.
— Oh, in that case, I _______wait.
| A．shouldn’t | B．won’t | C．mustn’t | D．mayn’t |
How can they learn anything ______ they spend all their spare time watching television?
| A．before | B．when | C．although | D．as |
The rain had cleared the air, and the grass ______ fresh and sweet.
| A．had smelt | B．has smelt |
| C．is smelling | D．smelt |
Be careful to move the equipment --- ______ it gently.
| A．doing | B．do | C．to do | D．done |
As the Spring Festival is drawing ______, people are getting busier and busier.
| A．near | B．closely | C．back | D．far |
That fellow hung around for hours and, ______ was worse, kept me from doing my work.
| A．that | B．where | C．as | D．which |