单项选择（每题1分）—Listen！It is raining.—Oh， really！ I______ it at all.
#103629
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realized
推荐题目
There was a knock at the door. It was the second time someone _______ me that evening.
#104453
A
had interrupted
B
would have interrupted
C
to have intrrupted
D
to intrrupt
—You seem to have had a wonderful winter holiday! —Yes．Really warm days during the Spring Festival．My parents and I _____ to several tourist spots．
#99618
A
are driving
B
drove
C
have been driving
D
will drive
He _________ English for eight years by the time he graduates from the university next year.
#100205
A
will learn
B
will have learned
C
will be learning
D
has graduated
. Dr. Smith, together with his wife, ______ visit Beijing this summer.
#103649
A
is going to
B
are going to
C
was going to
D
were going to
When I got there, the meeting _____ for ten minutes.
#102051
A
has been on
B
had begun
C
had been on
D
has begun