She had golden hair when she was a child, but_________ she got older and older, her hair went darker and darker．
| A．while | B．when | C．after | D．as |
We should consider _______ use can be made of such a piece of cloth.
| A．what | B．that | C．how | D．which |
—He got his first book published. It turned out to be a bestseller.
—When was ________?
—______ was in 2000 when he was still in college.
| A．that; This | B．this; It | C．it; This | D．that; It |
People working 10 or 11 hours a day are more likely to suffer from health problems than _____who go off duty after eight hours.
| A．those | B．that | C．these | D．them |
I should convey my appreciation to my high school teachers, without ____ help I wouldn’t achieve such a big success.
| A．whom | B．them | C．which | D．whose |
— Mum, would you please buy me an MP5 player?
— If you can help do some housework the whole vacation, you ____ have one as a reward.
| A．must | B．need | C．would | D．shall |