You should understand the traffic rule by now. You’ve had it ________ often enough.
#101797
A
explaining
B
to explain
C
explain
D
explained
推荐题目
Tom was badly injured in the accident last week. A new manager____ to take his place since then.
#99361
A
has been arranging
B
has arranged
C
was arranged
D
has been arranged
—What’s the matter,Ann?You look sad.—Oh,nothing much.As a matter of fact,I of my friend back home.
#103941
A
think
B
have just thought
C
had just thought
D
was just thinking
Rainforests _______ and burned at such a speed that they will disappear from the earth in the near future.
#100951
A
cut
B
are cut
C
have been cut
D
are being cut
By the time a child is five, he _______ hundreds of hours of television.
#103126
A
will watch
B
will have watched
C
had watched
D
is watching
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