His sister left home in 2009, and＿＿since.
#101520
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
推荐题目
—Well, that was really a good meal. I _______ you were a really good cook.—Thank you.
#104832
A
didn’t know
B
don’t know
C
haven’t know
D
hadn’t known
Don’t call me at three to four o’clock this afternoon. I the patient at that time.
#102550
A
am treating
B
have treated
C
will treat
D
will be treating
If we ___________some measures, we might have prevented the environmental pollution.
#103274
A
take
B
had taken
C
took
D
have taken
Tony ________ for the company as an engineer for two decades. Now he teaches mechanics in Peking University.
#100949
A
has worked
B
worked
C
is working
D
had worked
It is the first time that Michel _______ the Summer Palace.
#99257
A
is visiting
B
visits
C
has visited
D
will visit