----_______is your sister? ---She is thirteen years old.
| A．How many | B．How old | C．How much | D．How long |
----_______ do you have out with your friends?
----Once a week.
| A．How long | B．How often | C．How many | D．How soon |
The accident took place ______ a cold February evening.
| A．on | B．in | C．At | D．for |
Don’t eat ________meat.If you do so, you’ll get ______ fat.
| A．much too, too much | B．too much, much too |
| C．much too,many too | D．too many, much too |
----Must I finish that work today?
----No, you _____. You may finish it in three days.
| A．mustn’t | B．needn’t | C．Shouldn’t | D．couldn’t |
Wait a moment, I have _______ to tell you.
| A．important something | B．something important |
| C．anything important | D．important anything |