1.Great efforts to increase agricultural production must be made if food shortage ____ advoided.

1.Great efforts to increase agricultural production must be made if food shortage ____ advoided.
A.is not to be B.can not be C.has not been D.will not be
2.I____ my son_____ doctor,but he wasn't good enough at science.
A.hoped; turned B.hoped; could became
C.had hoped; would turn D.had hoped; would have become
3.- Could you take a message for Mr.Green?
-Certainly.I ___ him about something else in any case,so it _____ any bother.
A.may see; isn't
B.see; won't be
C.will see; is
D.will be seeing; won't be