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His father and mother ____ teachers.
#55700
A
are all
B
are both
C
both are
D
all are
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_________ we know, food gives us energy.
#58142
A
As
B
Like
C
For
D
Of
 I am a student ________ I am Chinese. 
#56119
A
but
B
or
C
and
D
so
I’ll go to visit my aunt in England _____ the summer holidays start..
#56422
A
while
B
since.
C
until
D
as soon as
You can’t go to the mall with John,         he has got his driver’s license.
#56307
A
even though
B
because
C
so
D
if
You shouldn’t keep a pet _______________ you have enough time to care for it.
#56035
A
if
B
unless
C
though
D
when