摘要： raining hard for 3 hours without stopping. A.It is B.It was C.It has been D.It had been
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20. _________raining hard for 3 hours without stopping.
21.
|
A．It is |
B．It was |
C．It has been |
D．It had been |
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_________raining hard for 3 hours without stopping.
A.It is B.It was C.It has been D.It had been
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20. _________raining hard for 3 hours without stopping.
21.
| A．It is | B．It was | C．It has been | D．It had been |