He lay ___ the grass was the thickest.   A. where     B. when    C. that       D. after

___ I know he will stay here for half a year.

A. as soon as                 B. as long as            C. so far as            D. as well as

It’s so nice to go out for a walk a cool nice summer evening．

A．in B．on C．for D．a(chǎn)

_______ cooking, writing and running the farm, she was very busy.

A. Among          B. Between  C. Over      D. As

It was a pity that the great writer died _________his works unfinished.

 A．for             B．with        C．from         D．of

The doctor will not perform the operation ___ it is absolutely necessary.

A. when               B. if                  C. for                  D. unless

___ difficult the task may be, we must fulfil it this month.

A. No matter how B. No matter what       C. No matter when   D. No matter where

We can’t feel that we are going forward as everythjng us is moving the same speed．

A．a(chǎn)round；at B．a(chǎn)round；with C．before；at D．with；in

I was angry _______ him for keeping me waiting.

A. with    B. to   C. about     D. on

The worker hunted for jobs in New York for months,____ he could not find any work.

A. and             B. yet          C. or             D. and but