---He lost his job last week, but he seems happy．---I think he _____ to put on a brave face．
#100394
A
is trying
B
tries
C
tried
D
has tried
推荐题目
—I ______ for you for two hours, but in vain. Where did you go? —I ______ at my uncle’s.
#103785
A
had looked; may have stayed
B
looked; must have stayed
C
have looked; may be staying
D
looked; must be staying
We _______ on it for several hours but we have not yet reached any conclusion.
#104695
A
work
B
areworking
C
havebeenworking
D
havebeenworked
The last few years ________ many natural disasters around the world, from drought to earthquake.
#102403
A
see
B
are seeing
C
have seen
D
saw
If city noises ___from increasing, people __ shout to be heard even at the dinner table 20 years from now.
#103976
A
are not kept; will have to
B
are not kept; have to
C
do not kept ; will have to
D
do not keep; have to