The doctor will not perform the operation_____ it is absolutely necessary.

A. such fine weather B. so fine a weather C. such a fine weather as D. such a fine weather

A. enough tired to go to bed B. too tired to go to bed

C. so tired that he went to bed D. very tired, he went to bed

A. so diligent B. such diligent C. so much diligent D. such very diligent

A. Too B. So C. Very D. Much

A. Too B. So C. Very D. Much

A. so, that B. such, that C. very, that D. so, as

A. Every time B. Though C. Even D. Where

A. long B. often C. always D. ever

A. when B. than C. as D. while

A. hardly B. the minute C. no sooner D. at once