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
You’d better have your bike ________, or it’ll get you into trouble.
#101798
A
repair
B
to repair
C
repairing
D
repaired
—Is there anything wrong, Bob? You look sad.—Oh, nothing much. In fact , I ____ of my friends back home.
#100230
A
have just thought
B
was just thinking
C
would just think
D
will just be thinking
—I guess you can buy such a smart phone for 300 dollars. —I could just two months ago，but the price ________ by 20%.
#99726
A
went up
B
had gone up
C
has gone up
D
goes up
My headache _____ me．I thought it was going away, but it’s getting worse and worse．
#101745
A
kills
B
is killing
C
was killing
D
killed
Jack could have avoided that terrible car accident, but he ________ careful enough.
#102113
A
is not
B
was not
C
hasn’t been
D
hadn’t been