I′ll never forget the day ____ I became a doctor.
A. that
B. which
C. where
D. when
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人们把以()为硬件基本部件的计算机称为第四代计算机。
A. 大规模和超大规模集成电路
B. ROM和RAM
C. 小规模集成电路
D. 磁带与磁盘
The driver kept one eye on ____ traffic and the other on ____ map.
A. 不填;a
B. a;a
C. the;the
D. the;不填
Excuse me,where is the meeting room？ --Just a second.
I′ll have someone ____ you there.
A. takes
B. take
C. taking
D. to take
Before Tom got to the cinema,the film_____.
A. had begun
B. will begin
C. has begun
D. begins
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