A.one B.a C.–(不填) D.the
A.on B.over C.off D.after
A.No,I am not available. B.Thank you very much. C.I’m sorry.It’s not at hand now. D.It’s very kind of you.
A.set out B.work out C.make out D.put out
A.He is over forty B.He's a doctor C.He's much better D.He's Brown
A.Seriously injured B.To be seriously C.Being injured seriously D.Having injured
A.bare B.blank C.hollow D.empty
A.I am fine. B.I am not sick. C.I am a student from Bonn University. D.I came from Bonn University.
A.Yes, please. B.Yes, of course. C.No, thank you.
A.through B.over C.below D.across