a certain doubt among the students as to the necessity of the study.
A. It existed
B. There had
C. There existing
D. There existed
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Taking more vitamins than the body needs does not make it function better,over fulfilling the oil lamp makes it lighten better.
A. no more than
B. any more than
C. not more than
D. much more than
Such electronic device are used in a radio set are also found in a computer.
A. in which
B. that
C. which
D. as
He had a guilty ____________ when he looked at everyone in the room.
A. manner
B. way
C. method
D. form
Taxis are public vehicles for one person or for groups of ____________ four people.
A. up to
B. in all
C. in short
D. but for