These teams, which _____twenty experienced workers, are working hard here to ___the time they have lost before.

Hello, This is Jim Green. May I speak to Mr Black, please—______, please. I’ll see if he is in his office.

n’t selfishly keep for himself the money inheritedfrom his uncle. Instead, he made a ______ contribution to help the community.

下列各句中，没有语病的一句是（ ）

Did you listen to Mr.Jackson’s lecture ?— Yes，I have never heard a _____ one.