The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts．
| A．will continue | B．continue | C．are continued | D．will be continued |
I wish you’d do____talking and some more work. Thus things will become better.
| A．a bit less | B．any less | C．much more | D．a little more |
—Shall I tell John about it？
—No, you _______.I've told him already.
| A．needn't | B．wouldn't | C．mustn't | D．shouldn't |
The fire spread through the hotel very quickly but everyone _______ get out.
| A．had to | B．would | C．could | D．was able to |
—When can I come for the photos？ I need them tomorrow afternoon．
—They _______ be ready by 1200.
| A．can | B．should | C．might | D．need |
—Will you stay for lunch?
—Sorry, _______.My brother is coming to see me.
| A．I mustn't | B．I can't | C．I needn't | D．I won't |