Don’t leave the water______ while you brush your teeth.
| A．run | B．being running | C．to run | D．running |
-Everyone says you are a good student. You are never late for school，are you? -_______.
| A．No，sometimes | B．Yes，sometimes | C．Yes，I did | D．No，I do |
_____ all the inventions have in common is ______ they have succeeded.
| A．What; what | B．That; what | C．What; that | D．That; that |
-We want someone to design the new art museum for us.
-_____ the young fellow have a try?
| A．May | B．Shall | C．Will | D．Need |
- When he was a little boy，he ______ on the farm.
| A．used to working | B．used to work | C．got used to work | D．was used to work |
I’ll give the prize to _______ finishes the work first.
| A．whomever | B．whoever | C．who | D．anyone |