The millions of calculations involved, had they been done by hand, _____ all practical value by the time they were finished.
A. could lose B. would have lost C. might lose D. ought to have lost
_____ what he can do. He might get a job tomorrow. He might stay out of work for weeks.
A. We didn’t know B. He doesn’t know
C. There is no knowing D. It was known that
Students shouldn’t be given so difficult a problem ___ they cannot work out.
A. that B. which C. while D.As
Everyone likes of the two stories, for this story is than that one.
A. both; not more interesting B. neither; no more interesting
C. neither; not more interesting D. either; no more interesting
——Miss Lingam is arm in arm with Mr. Peabody! ——______sight!
A. how astonishing a B. so an astonishing
C. what astonishing a D. such an astonishing
Mr. Oven has three children, one of whom is a child of six, ___ twins of twelve.
A. another B. other C. the others D. others
