Only when we realize how serious the environment is damaged, _______is usually ignored, ______ try our best to fight against it.
A, it; can we B. what; can we
C. which; we can D. which; can we
Mr. Black, as well as his wife and children, ________ invited to the dinner party last night.
A. was B. were C. has been D. have been
Some students consider ______ Physics as one of the optional courses(选修课), which, however, is considered ______ a difficult subject by others.
A. to choose; to be B. choosing; being
C. to choose; being D. choosing; to be
It was already past midnight and only three young men _______ in the teahouse.
A. left B. remained
C. was remained D. was stayed
________the website of the Fire Department in your city, and you will learn a lot about firefighting.
A. Search B. In search for
C. Search for D. In search of
Whoever provides useful evidence for the crime will be ______ with 5000 yuan.
A. awarded B. rewarded C. offered D. supplied
