题目
A.opened
B.non-firm
C.invalid
D.valid
第1题
A.conscience
B.consensus
C.sensation
D.discord
第2题
A.A.Our offer remain valid for two weeks.
B.B.Our offer is open for three weeks only.
C.C.Our offer remains valid for two weeks only.
D.D.Our firm offer is open for two weeks.
第3题
It is so heavy that it can only be lifted with our ______ effort.
A.joint
B.equal
C.able
D.capable
第4题
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