My brother and I have decided to take____ great bike trip to Tibetan and I’m busy planning our schedule for _____ trip.

The Browns have six children altogether. It is obvious that ________ little money the present job brings Mr. Brown can hardly support so large ________family like that.

– How about _____ Christmas evening party?
-- I should say it was _________ success.            

If you go there by ____train ,you can have quite a comfortable journey ,but make sure you get ___fast one.

People are living in_______ world where mouse clicks rule our life, so online searches have become_______ must.

----How about _______ Christmas evening party?
----I should say it was _______ success.

By _____ coincidence, oil paints were developed at the time when ____technique of perspective was used.
A. a ;  the     B \ ; a    C. \; the   D. a; a

—You’ve dropped_______ “s” in the word “acros”.
—Oh, ______letter “s” should be doubled like this “across”.

Some researchers are finding that daydreaming may be important to ______ mental health and it is ______ good means of relaxation.

Liu Xiang's Olympic dreams were shattered（破灭）for      second time when he unfortunatelycrashed at           first barrier in the ll0m hurdles heats in London．