The families were told to evacuate their houses immediately __________.
A.at the time when the water began to go up
B.when the water began to rise
C.when up was going the water
D.in the time when the water raised.
A.at the time when the water began to go up
B.when the water began to rise
C.when up was going the water
D.in the time when the water raised.
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Hóa Học lớp 12
