单项选择题

How ______ within such a short period of time

A．this all can be done
B．all can this be done
C．all this can be done
D．can all this be done
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单项选择题
They were ______ to go out for a picnic.
A．well-preparing
B．well-prepared
C．good-prepared
D．well-prepare
单项选择题
______ little boy likes to read stories about heroes and wishes to be ______ hero like Dong Cunrui.
A．The, the
B．The, ×
C．The, a
D．A, ×
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