Tommy, ________ your doctor’s advice or your cold will get worse.
A.follow B.following C.followed D.follows
Students show great interest in ________ Professor William presents to them in his class.
A.whichever B.wherever C.whatever D.however
________ deserts for many years, I am still amazed at their beauty.
A.To study B.Having studied C.Studying D.Studied
It is estimated that living expenses for international students in the university ________ around $9,000 a year, which ________ a heavy burden for some of them.
A.is; is B.are; are C.is; are D.are; is
—Could you share with me your ________ for happiness?
—Having a positive outlook on life.
A.record B.recipe C.range D.receipt
You can’t imagine what difficulty we had ________home in the snowstorm.
A.walked B.walk
C.to walk D.walking