In order to stay open, the charity shop needs at least four helpers.
A.Four helpers are needed because the charity shop stays open.
B.No fewer than four helpers can enable the charity shop to stay open.
C.Staying open means that the charity shop has the maximum of four helpers.
D.The charity shop needs more than four helpers to stay open.

With the help of new computer programs, we can solve many problems quickly and accurately.
A.We can solve problems quickly and accurately without computers.
B.New computer programs have enabled us to solve many problems quickly and accurately.
C.The new computer programs are quick and accurate.
D.New computer programs are not able to solve many problems quickly and accurately.

The word “problem" in paragraph 5 could best be replaced by the word_______
A.dilemma
B.mistake
C.danger
D.pain

Up to now, the teacher __________ our class three tests in English.
A.has given
B.is giving
C.gave
D.gives

My sister loves watching the stars ______ night.
A.on
B.in
C.at
D.for

If you park your car in the wrong place, you must pay a(n) _______.
A.ticket
B.attention
C.fee
D.fine

If people ______ energy, there will be no shortage of electricity.
A.save
B.waste
C.use
D.destroy

Question 51: A. like B. as c. alike D. with
A.like
B.as
C.alike
D.with

A.disapprove
B.dispose
C.discard
D.throw

A.bring
B.take
C.steal
D.offer