_____ trouble, Ill never tell him anything about the accident.
A. Rather than caused
B. Than rather caused
C. Than rather causing
D. Rather than cause
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It is impossible for there______any more beer in this bottle.
A. being
B. would be
C. be
D. to be
______the whole, early American city planning was excellent.
A. In
B. From
C. On
D. Above
Which of the following italicized parts is a relative clause(定语从句)？
A. He had no idea who took away the money.
B. Every one was informed of the news that a new teacher was about to come.
C. It was his fault that led to the team"s failure.
D. Tom is not the boy / gave the tickets to.
从电路结构看，各类触发器是构成时序电路的基本单元。()
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