The environmental problems in China may worsen if __________ unsolved.
#13626
A
making
B
remained
C
keeping
D
left
推荐题目
My uncle hasn't been able to quit smoking, but at least he has_____
#13858
A
cut out
B
cut down
C
cut up
D
cut off
Jeremy Lin is a man with a strong will. After repeated_______ he finally succeeded in his career.
#13185
A
announcements
B
decision
C
remarks
D
attempts
His aunt’s letters ________ memories of those beautiful days when they used to live together in his hometown.
#12186
A
call at
B
call for
C
call on
D
call up
In China, smokers have to face the reality that ______ people are dying of lung cancer.
#13319
A
a great number of
B
a great deal of
C
a good many of
D
the number of
We learned to dive, ________ meals outside and sleep in a tent.
#13220
A
cooked
B
cook
C
cooking
D
to cook