英语高手帮我做下下面的题吧~~ 5
John3.Theinsectswoulddevourallourcropsandkillourflocksandheads,if______fortheprotecti...
John
3.The insects would devour all our crops and kill our
flocks and heads, if ______ for the protection we get from
insect-eating animals.
a. it is not b. it were not c. were it not d. they were not
4. “If I hadn’t practiced when I was younger,” the musician
says, “ I ______ able to play so well now.”
a. wouldn’t be b. won’t be
c. wouldn’t have been d. couldn’t have been
It is natural that he___ dwell rather upon his success than upon his failures.
A. need B. should C. would D. can
It is most desirable that he____ hands with us in our common effort.
A. joined B. join C. will join D. be joined
It is imperative that you ______ there in person.
A. are B. were C. be D. will be
It is required that the machine ______ as frequently as necessary.
A. be oiled B. must be oiled
C. is oiled D. will oil 展开
3.The insects would devour all our crops and kill our
flocks and heads, if ______ for the protection we get from
insect-eating animals.
a. it is not b. it were not c. were it not d. they were not
4. “If I hadn’t practiced when I was younger,” the musician
says, “ I ______ able to play so well now.”
a. wouldn’t be b. won’t be
c. wouldn’t have been d. couldn’t have been
It is natural that he___ dwell rather upon his success than upon his failures.
A. need B. should C. would D. can
It is most desirable that he____ hands with us in our common effort.
A. joined B. join C. will join D. be joined
It is imperative that you ______ there in person.
A. are B. were C. be D. will be
It is required that the machine ______ as frequently as necessary.
A. be oiled B. must be oiled
C. is oiled D. will oil 展开
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