The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.

A. where       B. which

C. when        D. who

He wrote many children’ s books, nearly half of____ were published in the 1990s.

A. whom            B. which

C. them            D. that

It is a truly delightful place, ________ looks the same as it must have done 100 years ago with its winding streets and pretty cottages..

A. as             B. where

C. that           D. which

We will put off the picnic in the park until next week, ____ the weather may be better.

A. that           B. where

C. which         D. when

There are some health problems that, when ______ in time, can become bigger ones later on.

A. not treated              B. not being treated

C. not to be treated       D. not have been treated

______how others react to the book you have just read creates an added pleasure.

A. Hearing               B. Hear

C. Having heard          D. To be hearing

Let those in needthat we will go all out to help them.

A. to understand            B. understand

C. understanding           D. Understood

The engine just won't start.Something seems  ________  wrong with it.

A．to go               B．to have gone

C．going                D．having gone

When I was little, my mother used to sit by my bed,  ________   me stories till I fell asleep.

A．having told          B．telling

C．told                 D．to tell

The sunlight is white and blinding,    ________    hard－edged shadows on the ground.

A. throwing            B．being thrown

C.to throw              D．to be thrown