Nick is ______ busy ______ he has no time to have a meal with his family.
A. such; that B. too; to
C. so; that D. enough; to
Look at those students. ______ hard-working they are!
A. What B. What a C. How D. How a
Our teacher said that the moon ________ around the earth.
A. traveled B. will travel C. has traveled D. travels
Even though you don't like to go shopping with her，you should refuse her ________．
A. politely B. quickly C. loudly D. normally
We all know travel can ______ our knowledge of the world.
A. discover B. develop
C. increase D. review
—What are you doing this weekend?
—I ________ visit my uncle，but I'm not sure.
A. needn't B. must C. might D. mustn't
