--- Must I stay here with you?
--- No, you ________. You may go home, but you ________go to the net bar.
| A．mustn’t, needn’t | B．needn’t, mustn’t |
| C．must, need | D．need, must |
— It's dangerous to swim in this river.
—Yes, you are right. The government has ___ people not to swim in it.
| A．trained | B．warned | C．make | D．encouraged |
There are ___ floors in the building and my home is on the ____ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |
— I am like a cat on hot bricks. There are so many problems that I don't know____ to deal with them.
— Calm down first. Let's see what I can do for you.
| A．what | B．Why | C．who | D．how |
— Your mother plays tennis very often, doesn't she?
— Well, she doesn't like it now. But she _____________.
| A．wanted to | B．would like to |
| C．used to | D．hoped to |
— is the population of your city?
—There are about four .
| A．What; million | B．What; millions |
| C．How many; million | D．How many; millions |