______ without friends ______ the most difficult challenge for Chuck while living on the island.
#85606
A
How to survive, is
B
How does he survive, are
C
How does he survive, is
D
How to survive, are
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It’s 8 o’clock. The students _________ an English class.
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A
have
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having
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is having
D
are having
She has set a new record, that is, the sales of her latest book ___50 million.
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A
have reached
B
has reached
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are reaching
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had reached