It’s said that________of the water around the world polluted．
A．two third；has
B．two thirds；have
C．two third；are
D．two thirds；is
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Last term he had problems________math．
A．to learn
B．learn
C．to learning
D．learning
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—________she________to Singapore before？
—Yes．She________there last week．
A．Did；go；went
B．Has；been；went
C．Have；been；went
D．Will；go；went
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There are________people who want to travel to China．
A．two thousands
B．two thousand of
C．thousands of
D．thousand of
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Singapore is a good place________a holiday．
A．to take
B．take
C．to taking
D．taking
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Three fifths of the students in our school________boys．
A．is
B．are
C．am
D．be
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These boys had problems________to the top of that mountain．
A．getting
B．to getting
C．get
D．to get
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—Will she come to your birthday party？
—________．
A．I don’t fear
B．I won’t fear
C．I fear not
D．I fear won’t
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You________the beauty of nature whenever you________here．
A．enjoy；come
B．will enjoy；come
C．will enjoy；will come
D．enjoy；will come
难度: 中等查看答案及解析