. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
推荐题目
With more forests being destroyed, huge quantities of good earth __________ each year, which __________ that our environment is suffering.
#101375
A
are washing away, suggest
B
is being washed away, suggest
C
have been washed away, suggests
D
are being washed away, suggests
Now that she is out of a job, Lucy _____ going back to school, but she hasn’t decided yet.
#105004
A
had considered
B
has been considering
C
has been completed
D
is going to consider
If you stick to it, this plan ______ that your company is well prepared to deal with future challenges.
#100867
A
ensured
B
will ensure
C
ensures
D
would ensure
Although it _________ in the desert most of the year, people still live there.
#102430
A
doesn’t rain
B
didn’t rain
C
hasn’t rained
D
hadn’t rained
(2013·高考山东卷)—Oh no! We’re too late.The train ________.—That’s OK.We’ll catch the next train to London.
#99704
A
was leaving
B
had left
C
has left
D
has been leaving