A.smoking；to smokeB.to smoke；smokingC.smoking；smokingD.……

单项选择题To make members of a team perform better，the trainer first of all has to know their（）and weaknesses．

A.strengths
B.benefits
C.techniques
D.values

单项选择题On a rainy day I was riding my bike to pick up my son（）a terrible accident happened ahead.

A.who
B.which
C.while
D.when

单项选择题I walked in our garden,（） Tom and Jim were tying a big sign onto one of the trees.

A.which
B.when
C.where
D.that

单项选择题My brother is a shy fellow，he doesn’t like to spesk（）.

A.in a public
B.in the public
C.in public
D.in publics

单项选择题The police stopped the driver because he didn’t（）when the traffic lights were red．

A.pull out
B.pull up
C.put out
D.put up

单项选择题The thief had to admit（）the car in front of the evidence．

A.steal
B.steals
C.stolen
D.stealing

单项选择题By the time the soldiers arrived，the building（）．

A.has destroyed
B.has been destroyed
C.had been destroyed
D.had destroyed

单项选择题York，（） last year，is a nice old city．

A.that I visited
B.which I visited
C.where I visited
D.in which I visited

单项选择题The mother often tells her son to be a good boy，warning him to（）trouble.

A.hold back from
B.keep out of
C.break away from
D.get rid of

单项选择题You（）things about.Look，what a mess in your room!

A.always throw
B.have always thrown
C.are always throwing
D.had always been throwing

单项选择题On the physical level，massage aids the elimination of （）wastes （often the cause of muscle aches and pains）by stimulating blood circulation.

A.excessive
B.poisonous
C.toxic
D.deadly

单项选择题My dream hometown is an amazing place（）any pollution.

A.with
B.without
C.out
D.in

单项选择题We are preparing （）art festivals.

A.on
B.in
C.for
D.of

单项选择题It is reported that a lot of adults take lessons online （）further education.

A.after
B.to
C.with
D.for

单项选择题The teachers hope all of us can hand （）our homework（）time every day.

A.up；in
B.out；on
C.on；in
D.in；on