A. completing
B. to complete
C. completed
D. being completed
[单选题]I have to see the doctor because I a lot lately. ( )A. have been coughingB. had coughedC. coughedD. cough
[单选题]I enjoyed thedish a lot.Can I have the [prescription] for it?A.menuB.listC.
_________I have to give a speech, I get extremely nervous before I start.A. What
______________ I have to give a speech,I get extremely nervous before I start.(
Well, when I have to work on a project, I first collect a lot of information fro
The air hostess spoke to her, but the old lady said, “I have never been in a pla
Never before in my career _ _ of an assignment A have l frightened B had I frigh
[试题]B.efore relativistic particle physics, the constituents of matter had always been considered as being either elementary units which were indestructible and unchangeable, or as composite objects which could be broken up into their constituent parts;
[单选题]We always have a lot of things ________during the voyage.A.doB.doingC.to doD.does
[单选题]43. _________ scientists have done a lot of research on A (HINl) flu,there are still some cases for further study.A.AsB.OnceC.IfD.Although