My toothache     me. I thought it was going away, but it is getting worse now.
#102681
A
kills
B
is killing
C
has killed
D
killed
推荐题目
The manager ______ the workers how to improve the program since 9 am.
#102119
A
has told
B
is telling
C
has been telling
D
will have told
Lin Yi isn’t what it used to be.The last decade ______ great changes in the city images.
#102458
A
witnessed
B
was witnessed
C
has witnessed
D
had witnessed
I _____ his telephone number. Had I known it, I would have rung him up.
#100016
A
don’t known
B
didn’t know
C
hadn’t known
D
haven’t known