— Is there any possible way to help the children get rid of such a bad habit?— To be honest, it’s very hard, but we ______on this problem.
#103296
A
work
B
worked
C
are working
D
were working
推荐题目
—Why do you look so puzzled?—Oh，I ________ over a most difficult maths problem.
#99720
A
thought
B
have thought
C
am thinking
D
think
Daniel, you really should cut down on sweets. You ______ fatter every time we meet.
#100723
A
are getting
B
will get
C
have got
D
get
Shanghai, China’s biggest and the most dynamic city, which______ in the Yangtze River Delta, is playing a leading role in the country’s economy.
#102749
A
is situated
B
situated
C
has situated
D
is situating
We are trying every possible means to ____ the people who are trapped in the ruins caused by this terrible earthquake.
#101467
A
recover
B
vote
C
rescue
D
guide
— Have you been here before?— Yes. This is the third time that I ______ to Shanghai.
#100742
A
come
B
came
C
have come
D
had come