Module 5
Ⅰ.单项填空
1. Water shortage will become a hot issue all over the world, if water becomes increasingly scarce in decades ______.
A. coming B. to come
C. having come D. to be coming
2. It's not easy to learn English well. ______ as much as possible is necessary.
A. Reading B. Read
C. Having read D. To have read
3. — Why are the students working so hard these days?
— ______ ready for the coming entrance examination.
A. Got B. Get
C. Getting D. To get
4. Sit down, Jack.You will only make yourself more tired, ______ on your feet.
A. to keep B. having kept
