Electric vehicles will save a lot of air （pollute)（）because there will be no emission of CO₂in the air.

填空题The most important form of energy is electric energy，which is （wide）（）used in our daily life.

单项选择题-I’m afraid I have to say goodbye to you.-（）.

A.I’m sorry
B.That’s all right
C.Never mind
D.Good night

单项选择题this is the man（）last night.

A.whom I saw him
B.who I saw
C.which I saw
D.who I saw him

单项选择题（）you will cook the dinner，I will do the washing-up afterwards.

A.If
B.Unless
C.When
D.While

单项选择题James decided not to go out （）he was still really tired.

A.whether
B.because
C.although
D.as

单项选择题（）snow it is!

A.What heavy
B.What a heavy
C.How heavy
D.How heavy a

单项选择题They need to （）the habit of reading carefully.

A.give up
B.change
C.get rid of
D.form

单项选择题Jane is a nice girl who is easy to get （）with，so everybody in the company likes her.

A.by
B.over
C.across
D.along

单项选择题From the top of the Post Office Tower there is a （）over the whole city of London.

A.sight
B.view
C.vision
D.look

单项选择题（）the cold wind，they went out without their goats.

A.Despite
B.In spite
C.Although
D.Unless

单项选择题If I（）to make the experiment，I would do it another way.

A.am
B.were
C.was
D.are

单项选择题She applied for an exit （）to see her grandmother in Hong Kong.

A.allowance
B.promise
C.permit
D.agreement

单项选择题Don’t worry，it isn’t（），I can deal with it myself.

A.Anything
B.something
C.everything
D.anyhow

单项选择题（）I was trying to do is to persuade my brother to give up smoking.

A.That
B.Now
C.What
D.Which

单项选择题What will happen to the children if their parents（）some day？

A.break out
B.break away
C.break up
D.break off