The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
A.when B.before C.since D.after
A small car is big enough for a family of three ______ you need more space for baggage.
A.once B.because C.if D.unless
Tourism, ______ it brings in money to a country, can also result in damage to the World Heritage sites there.
A. because B. as C. while D. since
For more information, please send an e-mail, ______ you can also include your suggestions to us.
A. when B. where C. which D. that
The fire was finally brought under control, but not ______ heavy damage had been caused.
A.before B.after C.frequent D.as
---Grandpa, what did the doctor say?
---He advised me to live_______ the air is fresher.
A. in where B. in which
C. the place where D. where
The girl still remembers that she was too nervous ______ she gave a speech in the face of such a big crowd.
A. at the first time B. the first time
C. for the first time D. at first
The violent disturbances in Bangkok had progressed to a point ________ the police had to drive away the protestants with tear gas.
A. from which B. that C. where D. what
Tim's in good shape physically ______ he doesn't get much exercise.
A.even though B.as long as C.now that D.in order that
MacDonald who had spent much of his time ______ graduating from college back packing round Europe，decided last year to settle down.
A.when B.while C.since D.before
.We should be able to do the job for you quickly, ______ you give us all the necessary Information.
A. in case B. so long as C. if only D. as far as
Take an active part in the activities you enjoy ______ you can make many friends.
A.where B.when C.that D.what
My parents don’t care ______ my pocket money goes, but one thing I for sure: the money spent must be worthwhile.
A. why B. when C. where D. how
______ he or she is not kind; their physical beauty is only a mask that hides their ugly soul.
A. Although B. Because C. If D. Since
America's car industry will continue to break down ______ some progress is made to close the gap•
A.since B.because C.unless D.though
.Many adults agree that teenagers shouldn’t live alone ______ they have their parents’permission.
A.if B.unless C.in case D.now that
The novel was completed in 1978, ______ the economic system has seen great changes
A.when B.during which
C since then D since when
238.This is a very interesting book.I’11 buy it ______
A.how much may it cost B.it may cost
C.however much it may cost D.how may it cost
239.I was halfway back to the hospital where the doctor was working ______ Susan caught up with me.
A.when B.while C.until D.though
240.I have reached a point in my life ______ I need to decide which way to go.
A.where B.which C.that D.why