Must we find out the reason today? - No, you _____.
| A．mustn’t | B．don’t have | C．don’t have to | D．needn’t to |
The guide said that much attention must __________ these details.
| A．pay | B．be paid |
| C．pay to | D．be paid to |
He couldn’t ________an answer when I asked him why he was late.
| A．come over | B．catch up with |
| C．come out | D．come up with |
— Mrs Black is an organized housewife.
—That’s right. Everything in her house is always ________.
| A．in order | B．out of order |
| C．in trouble | D．in the way |
The railway _______ Qinghai to Tibet is the longest plateau (高原) railway in the world.
| A．connected | B．connects |
| C．connecting | D．is connected |
Your mobile phone is so good. Where did you buy _____? I want to buy____ too.
| A．it; it | B．it; one |
| C．one; it | D．one; one |