The chairman thought         necessary to invite Professor Smith to speak at the meeting .

A．that                 B．it                   C．this              D．him

I was disappointed with the film . I had expected ______ to be much better.

A. that　　　　      B. this　　　　　    C. one　　　　        D. it　　　　　　

Mary learned Chinese for about two years, _______is, from 1993 to 1995.

A. this                   B. that                  C. it             D. he         

It is important that she 　　　　　with Mr Williams immediately.

A.speak　　　            B.spoke　　     C.will speak　　　D.to speak

—My home is in that tall building over there.

　—　　　　　 ?

A.Can it see　　　　　   B.Can see it            C.Can be seen itD.Can it be seen

Everywhere man has cut down __________ forests in order to grow crops, or to use __________ wood as fuel or as building material.

 A. the; the            B. the; 不填　        C. 不填; the     D. 不填; 不填

The experiment turned out to be ________, which wasn’t ______ they wanted.

A. a completely failing; as             B. a complete failure; what

C. completely failure; that             D. failed; 不填

Some                     visited our school last Wednesday.

A．German           B．Germen           C．Germans                 D．Germens

While he was investigating ways to improve the telescope, Newton made __ discovery which completely changed __ man’s understanding of color.

A. a, /                B. a, the                  C. /, the         D. the, a

US President Barack Obama is expecting the economy to show some _________ of recovery．

A. attempts          B. signs                C. contents       D. waves