__________ work has been done to improve people's living standard.
| A．Many |
| B．A great many |
| C．A great deal of |
| D．A large number of |
You __________ tell anyone about this — it’s a secret.
| A．needn’t | B．mustn’t | C．couldn’t | D．wouldn’t |
—No dessert for me, please. I’m on ____ diet.
—Why not just take one bite of ____cheese cake? I’m sure you will love it.
| A．a; a | B．/; the | C．a; the | D．/; a |
—Can you keep an eye on my bag, Mary? I just want to use the bathroom.
—___________. It will be safe with me.
| A．I don’t think so | B．Forget it | C．Go ahead | D．You’re welcome |
The poor man’s life was _________ the king.
| A．at the mercy of | B．at the call | C．at the service | D．at the experience |
Jumping out of ______ airplane at ten thousand feet is quite _______ exciting experience.
| A．/; / | B．/; an | C．an; an | D．the; the |