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
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
----- Where did you get to know her?
---- It was on the farm _______ we worked．
A．that B．where C．there D．which
——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
—— 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
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
