In American, a friend inviting you to a restaurant doesn't mean that he or she will pay for the meal ______ you are told ahead.
#55342
A
until
B
unless
C
although
D
if
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---_______does your mother watch the Talk show? ---Once a week.
#56342
A
How long
B
How often
C
How soon
D
How many
---I am going to Nanjing and stay there for a week. ---_________you are there, would you please buy some books for me?
#55688
A
If
B
While
C
Since
D
As soon as
People along the river didn’t allow them to ______ a factory so as not to pollute the water.
#55767
A
set up
B
give up
C
take up
D
look up