—Won't you go shopping with your mother?
—No.________ she promises to buy me a new sweater.
A.Now that B.If only C.As though D.Unless
The result is very important.It is supposed ______ a secret between you and me.
A.to be kept B.to keep C.being kept D.keeping
Knowledge and learning are important if we want to be successful, but they may also ________our thinking.
A.direct B.limit C.change D.improve
The harder you ________, the better progress you ________.
A.will work; will make B.work; have made
C.work; will make D.will work; make
Professor Smith is now ________ the company, which was once________ Professor White.
A.in charge of; in charge of B.in charge of; in the charge of
C.in the charge of; in the charge of D.in the charge of; in charge of
He is an old doctor with a lot of ________. But he has never travelled by air before.Taking a plane was quite ________ experience for him this time.
A.experience; an B.experiences; an C.experience; / D.experiences; /