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— The doctor is busy ________ his work.
#48117
A
at
B
for
C
with
D
on
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The teachers always complain about         the         children in class.
#49848
A
to teach, tired
B
teaching, tired
C
teaching, tiring
D
to teach, tiring
Please call Mary _______ 354—6403.
#51054
A
in
B
at
C
to
D
of
 Mary is beautiful ,but she has few friends .______ ,being beautiful doesn’t meaning being liked.
#49151
A
Above all
B
That is to say
C
For example
D
On the other hand
The young man are walking        the park.
#49593
A
across
B
cross
C
through
D
though
Many countries,         American, Japan, Brazil and Spain, want to host the 2016 Olympic Games.
#48878
A
beside
B
but
C
including
D
except