A.so that
B.that
C.until
D.for
第2题
It is more than six months now _______ she left home and it will be another three days _______ she returns home.
A、since; from
B、since; before
C、before; when
D、when; since
第4题
We are very anxious to _____ the reputation of the firm.
A、keep up
B、keep away
C、keep on
D、keep back
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