______ plastics, the machine is light in weight.
A. Made of
B. Having made with
C. To make of
D. To be made of
查看答案
______ after a long walk, Harry called and said he couldn’t come.
A. Having worn out
B. Be worn out
C. To wear out
D. Worn out
You are just the same ______ you were the day when I first met you.
A. that
B. as
C. like
D. so
The atmosphere is as much a part of the earth as ______ its soils and the water of its lakes, rivers and oceans.
A. are
B. is
C. do
D. has
He must have had an accident, or he ______ here then.
A. should be
B. would be
C. could have been
D. would have been