单项选择题
A.should B.ought C.must D.shall
-- Hello, could I speak to Don please? --（）A.Who are yo...
单项选择题-- Hello, could I speak to Don please? --（）
A.Who are you B.What’s the problem C.Are you Jane D.Who’s speaking?
It is very convenient（）here.A.livingB.live C.livedD.t...
单项选择题It is very convenient（）here.
A.living B.live C.lived D.to live
The song （） by children.A.is often sungB.wa ...
单项选择题The song （） by children.
A.is often sung B.wa soften sung C.sings D.has often sung
