I ____ to visit you later that day, but I had to phone and cancel.
A. come B. came C. am coming D. was coming
Animals are obviously _____ lower form of life than ______ man.
A. a; / B. the; the C. a; the D. /; /
Recycling is one way to protect the environment; reusing is _____.
A. another B. the other C. one another D. one
I would have gone to my cousin’s birthday party last night, but I ______ available.
A. was B. had not been C. was not D. would not be
______ is often the case in science, there is no simple answer
A. That B. As C. When D. Where
The airport ______ next year will help promote tourism in this area.
A. having been completed B. completed
C. being completed D. to be completed
