--- What are you going to do tomorrow ?
----How about going to buy Michael Jackson CDs?
----- ______________
A．Take your time . B．Not at all
C．Sounds great D．It doesn’t matter.
The old man would appreciate _____ if you could do him that favour.
A．one B．it C．that D．this
It is reported that this kind of vegetables _ a lot of vitamins C.
A. contains B. includes C. holds D. keeps
______ time went by , Herbert could finish all the maths exercises in class.
A．With B．As C．while D．Since
Lots of the scientists in our country are working hard to ____the planet Mars .
A．cover B．search C．discover D． explore
Look at the notice . You are not allowed ____ the gymnasium without permission.
A．to enter B．enter C．entering D．for entering
