The teacher came in and the class _
A. began
B. begin
C. begun
D. behining
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Some suggested time _instead.
A. off
B. of
C. on
D. in
_is recommended that the scheme be introduced.
A. It
B. That
C. This
D. When
They often hang_with different kinds of people.
A. out
B. in
C. on
D. for
your watch is always a bit slow;you need to _it.
A. adjuet
B. gap
C. logic
D. replace