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【題目】He is writing a book about new discoveries in science. I am sure, _________ it is printed, this book will be very popular.
A.once
B.while
C.now that
D.though

【題目】Why do you want a new job __________ you have got such a good one already?
A.when
B.while
C.as
D.although

【題目】The news came, as expected, __________ my cousin was chosen to be a foreign aid doctor to go to Africa where people are suffering a lot from aids.
A.it
B.that
C.what
D.which

A. try B. trying

C. to try D. tried

A. see off B. pay off

C. set off D. lay off

【題目】As long as I can remember, ___________I called, his wife would answer the phone.
A.however
B.whenever
C.whatever
D.whichever