At the time of the earthquake Jeff was still in his office. He ________ to finish a project before he left for the day.
#104776
A
has tried
B
had tried
C
has been trying
D
had been trying
推荐题目
--I have you asked John to come to the party this evening？--Yes，I have，but he＿＿＿＿
#100482
A
doesn't
B
hasn't
C
hadn't
D
won't
—Did you know any French before you arrived in Washington? —Never ____ it, actually.
#104212
A
had I learned
B
have I learned
C
I learned
D
was I learning
All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health.(2012·湖南)
#99567
A
show；are
B
shows；are
C
show；is
D
shows；is
Give me a cigarette, please. Mine .
#102417
A
has been given out
B
has been run out
C
has used up
D
has been run out of
I really ought to go on a diet。I ________ on so much weight since I gave up jogging.
#104788
A
put
B
am putting
C
have put
D
had put