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You won’t feel happy at school_______ you get on well with your classmates.
#55225
A
though
B
when
C
unless
D
because
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Our math teacher is very kind ______ he looks very serious.
#56434
A
because
B
though
C
if
D
when
 I am a student ________ I am Chinese. 
#56119
A
but
B
or
C
and
D
so
Who is that beautiful woman?        -- Mrs Li. She teaches _____ English very well. She always makes her classes______.
#58521
A
our;, interesting
B
us; boring
C
us; lively
D
our, surprising
 “______ did it start?” “About two days ago. ”
#55934
A
How long
B
How often
C
How much
D
When
   _    we were walking along the river, we heard a cry for help.
#55724
A
While
B
Until
C
After
D
Before