—Do you think we can get there on time?

—Yes,_________ the bus does not break down.

A.even if                           B.unless

C.until                             D.so long as

_________,they'll carry on the work until they can get the money they need.

A.As I think                        B.In my opinion

C.In spite of                       D.To my view

Every minute should be _________ lessons.

A.made full use to learn

B.made use of learning

C.made use of to learn

D.used of learning

_________ that it's very cruel to kill wild animals for money.

A.It is no doubt                    B.There is no doubt

C.It is not doubt                   D.There is not doubt

Arguments happen when people _________ each other's views.

A.go against                        B.go for

C.keep                              D.have

There is _________ that her daughter will pass the exam to go abroad to study.

A.chances                       B.likely

C.a high chance                 D.possible

The key _________ the string was put into the door to stop the kite _________.

A.tie to;flying away

B.tying to;fly away

C.tied to;flying away

D.tied to;fly away

_________ that he had fallen behind,he tried to work harder.

A.Having realized                   B.Realized

C.Realize                           D.To realize

Plastic and rubber won't _________ electricity,but copper will.

A.have                          B.do

C.pass                          D.conduct

________ no need for everybody to discuss the problem again since it has already been solved.

A.It has        B.There has     C.We have       D.There is