I want _______a pen _______$4.A. to buy; for B. to buy; in C. buy ; in
______she is not in good health, ______she works very hard .
-_________ we go at 7.30 ? -What about __________ it a little earlier ?
Who won________race last week?
About____________of the books in the library are written in Chinese.
The workers were made ______ twelve hours a day.