28.After driving for five hours, they arrived at they thought was the place they had been dreaming of.
A.what B.that C.which D.where
27.If you had worked hard, you ______ so anxious now.
A.are not B.would not have been
C.will not be D.would not be
26.______ I'm willing to help, I do not have much time available.
A.While B.When C.Once D.Since
25.The rise of oil prices made scientists search for new energy resources ______ oil.
A.replace B.replacing C.to replace D.replaced
24.You didn't believe John won the first prize at the speech competition, ______?
A.did he B.didn't he C.did you D.didn't you
23.I had reached a point in my career _____ I needed to decide which way to go.
A.why B.which C.when D.where
22.Here are some new computer programs _____ for home buildings.
A.designing B.design C.to design D.designed
21. __ sweet and fresh, this kind of food is so popular with local people and the tourists.
A.Smell B.Smelling C.To smell D.Smelt
20.Always read the label ______ you wash your clothes.
A.before B.unless C.since D.until
19.-Flight 331 _____.I'd better be on my way.Goodbye.
-Bye.Happy landing!
A.is announced B.is being announced
C.is announcing D.has announced
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