—I can never forget the days we spent together in the summer camp.
—Well, especially the day it suddenly began to rain in the middle of the night.
| A．when; when | B．which; when |
| C．what; that | D．on which; when |
The purpose of a class is to teach you to think creatively and not to follow your teacher_________.
| A．willingly | B．blindly |
| C．carefully | D．closely |
With lots of problems ________ in the class, our teacher looks very relaxed and happy.
| A．solved | B．solve |
| C．being solved | D．to solve |
—Sometimes I am even sleepy in class.
—It’s terrible. You _____ as well go to bed earlier.
| A．should | B．will | C．might | D．can |
The problem lies in______ we’re now giving him a fish, not teaching him how to fish.
| A．what | B．that | C．which | D．if |
It’ll be another 50 years _________ China is expected to reach the level of a medium developed country.
| A．since | B．before | C．that | D．when |