Scientists don’t think that a warm winter always has a negative influence on our life,____?
#64541
A
don’t they
B
do they
C
hasn’t it
D
has it
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Look! The ground is wet. It must have rained last night, ________？
#64460
A
hasn't it
B
hadn't it
C
mustn't it
D
didn't it
—______________ is it from here to the train station?—About 40 minutes' ride.
#59843
A
How long
B
How far
C
How many
D
How soon
一Did they take any photos? 一______．
#59967
A
No，they didn't
B
No，they did
C
No，they aren't
D
No，they weren't