My mother suggested taking a shower instead of a bath and use energy-saving bulbs to save energy.
A.instead of
B.use
C.energy-saving
D.to save

__________(61)
A.traditional
B.alternative
C.revolutionary
D.surprising

We can’t afford sorry to buy the house.(The house)
A.The house is so expensive to us to buy.
B.The house is too expensive for us to buying.
C.The house is too expensive for us buying.
D.The house is too expensive for us to buy.

It’s a pity you didn’t tell us about this. (I wish)
A.I wish you hadn't told us about this.
B.I wish you could tell us about this.
C.I wish you had told us about this.
D.I wish you told us about this.

The alarm went off just as they came out of the building.
A.Scarcely they had come out of the building when the alarm went off.
B.Scarcely had they come out of the building when the alarm went off.
C.Scarcely they had come out of the building when did the alarm go off.
D.Scarcely had the alarm gone off when they came out of the building.

The price of crude oil used to be a great deal lower than now, wasn't it?
A. price of
B.great
C.lower
D.wasn't it

An able flier, a crow, may travel thirty or forty miles the day before it returns home.
A.flier
B.may travel
C.the day
D.returns

She thinks disobeying parents and teachers are not good.
A.thinks
B.disobeying
C.are
D.good

Do you know "Farad", a unit in electricity is named after Faraday?
A.know
B.unit
C.is
D.after

________(56)
A.immigrate
B.immigrant
C.immigrated
D.immigrate