A、适用性
B、经济性
C、安全性
D、耐久性
第1题
A.Hardly
B.No sooner
C.Hardly had
D.No sooner had
第2题
A.Wait for her,please.
B.Hang on,please.
C.I'll call on her.
D.She will come soon.
第3题
A.You speak too highly of me.
B.No,no.
C.This is what I should do.
D.Thank you.
第4题
A.is to be put
B.should put
C.is put
D.be put
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