—I called you yesterday evening, but there was no answer.—Oh, I’m sorry. I ________ dinner in my friend’s home.
#41832
A
have
B
will have
C
was having
D
have had
推荐题目
It _____ last week that the haze(雾霾)in Beijing caused many problems.
#38853
A
reports
B
reported
C
is reported
D
was reported
Mr. Wang is a teacher. He ______ in this school for 20 years.
#36963
A
has worked
B
worked
C
will work
D
works
The scientists ________ on the new medicine for two years. They will succeed in no time.
#38384
A
work
B
are working
C
have worked
D
will work