Mr．Green didn’t understand ________ made his daughter so absent-minded this morning．

A．how that was                     B．what was it

C．why it was that                      D．what it was that

—— It seems that his health is improving．

—— Yes．It is ten years ______ he _______．

A．since；  smoked                  B．since；  did n' t smoke

C．that； smoked                    D．before； smoked

——I’m sorry , but there’s no smoking on this flight ．

——Oh, I _______that ．Sorry , I won’t again ．

A．don’t know                     B．didn’t know       

C．won’t know                 D．haven’t known

----- Where did you get to know her?

----  It was on the farm  _______ we worked．

A．that             B．where            C．there                D．which

In China ______ graduates go abroad to have a further study every year ．

A．a great deal of B．many a       C．masses of        D．a plenty of

The number of traffic accidents caused by drinking is ____ as the number of those caused by non-drinking driving．

A．as twice many    B．many as twice    C．as twice large  D．twice as large

It’s a pity that the quarrel________their friendship.

A、broke up                             B、put down      

C、took away                            D、gave up

—What does the sign over there read?

—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.

A．will         B．may     C．shall        D．must

________ out of the theatre, the famous singer found himself ________ by his fans．

A．Walked; surrounding                  B．Walking; surrounded     

C．Walked; surrounding                  D．Walked; surrounded

______the road ,don’t forget to look both ways.

A.As crossing                           B. While you cross    

C.While crossing                        D. Cross