--- ___ do you like dolphins? ---Because they are very smart.
#57947
A
What
B
When
C
Why
D
How
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— Your aunt often walks the dog in the morning.— Yeah, bad weather stops her.
#55448
A
when
B
unless
C
because
D
since
_________you don’t give up(放弃)，your dreams will come true.
#56200
A
As long as
B
As soon as
C
As well as
D
As often as