---- _______ is it from your home to your school?
----It’s about 5 minutes’ walk.
| A．How long | B．How | C．How far | D．What time |
－_____do you go to the library?
－Once a week.
| A．How long | B．How soon | C．How often | D．How many times |
It is important us some good books.
| A．for ; read | B．to ; to read | C．to; reading | D．for; to read |
You had better _____your hands before meads.
| A．wash | B．to wash | C．not wash | D．will wash |
－Must I finish my composition (作文) right now?
－No, you _______.You can hand it in tomorrow.
| A．can’t | B．mustn’t | C．needn’t | D．mayn’t |
The students found _______ easy to work out this maths problem.
| A．it | B．this | C．that | D．him |