26.If we had been more careful, we ______ much better results now.
a. gotb. had gotc. would be getting d. would have got
27.Henry ______ a rich man today if he had been more frugal in the past.
a. would be b. is c. will be d. was
28.They thought it desirable that an armed guard ______ in readiness.
a. stands b. stand c. stood d. would stand
29.All science students, ______,should have a good foundation in basic sciences.
a. whether they are future physicists and chemists
b .they are future physicists of chemists
c.they should be future physicists of chemists
d.be they future physicists or chemists
30.Sally can’t have written tome, or ______ the letter by now.
a. I’ll get b. I’ll have got c. I’d have got d. I’d get
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保佑我不要再错一半以上了...