II.语法与词汇（15分）单项填空 (共15小题；每小题1分，满分15分)
( )21.I need to get another dictionary, because ______ cover is dirty and ______ page is missing．
A．a; a B．a; the C．the; a D．the ; the
( )22.We need to concentrate resources ________ the poorest areas.
A．to B．on C．in D．with
( )23.When I opened the door，I found my mother completely________ a book at the desk.
A．absorbing in B．absorbed in
C．absorbing D．absorbed to
( )24. When was ______ that the suggestion was put forward ______ the seven-day Labor Day Golden Week holiday be cancelled?
A. that; that B. it; which C. it; that D. that; what
( )25.When ________ what made him a popular person, he said it was his personality.
