Marie is very wet.She ____ in the river.this morning.A:can have fallen B:had to fall C:must have fallen D:needn't to fall

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Marieisverywet.She____intheriver.thismorning.A:canhavefallenB:hadtofallC:musthavefallenD:needn''ttofa

Marie is very wet.She ____ in the river.this morning.A:can have fallen B:had to fall C:must have fallen D:needn't to fall
Marie is very wet.She ____ in the river.this morning.
A:can have fallen
B:had to fall
C:must have fallen
D:needn't to fall

Marie is very wet.She ____ in the river.this morning.A:can have fallen B:had to fall C:must have fallen D:needn't to fall
c
mary身上湿了 肯定是今早掉到河里了

C

c
A:can和have两个动词不能在一句话内。
B:语法错
D:意思不合适。