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---_______do you send e-mails to your pen friend?  ------Once a month.
#56239
A
How long
B
How far
C
How much
D
How often
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They didn't go to bed_____ the work was finished.
#57763
A
when
B
while
C
until
D
after
_______ some of my students don’t pass the exam, _______ I will continue encouraging them to make success next time.
#57690
A
Although, but
B
Even if, but
C
/ , but
D
/ , and
 It’s five years _____ our teacher came to Jiangyan.
#58486
A
since
B
when
C
although
D
if
I didn’t know he came back __________ I met him in the street .
#58461
A
since
B
when
C
until
D
after
--Your Japanese is so good. How long have you been in Japan?-- __________ I was five.
#56700
A
Since
B
Before
C
Until
D
When