Prices of daily goods（）through a computer can be lower than store prices.

单项选择题That was another example of（）experience.

A.a lack with
B.lack from
C.their lack for
D.their lack of

单项选择题Three-fifths of the cattle（）sold abroad in the city.

A.has
B.has been
C.have
D.have been

单项选择题He stepped into the dark cave，（）high above his head．

A.holding a burning stick
B.held a burnt stick
C.holding a burnt stick
D.held a burning stick

单项选择题Mr.Trump will give a speech on the current situation at the meeting（）next week in Beijing.

A.to hold
B.held
C.to be held
D.holding

单项选择题The book has been published but won't be（）till next month.

A.on show
B.on the run
C.on sale
D.on the go

单项选择题The curator（）the visitors round the museum.

A.helped
B.tried
C.managed
D.conducted

单项选择题In the beauty competition，women are asked（）some of the exercises（）the music．

A.performing；to
B.performing；with
C.to perform；to
D.to perform；by

单项选择题My English knowledge is very（）though I have learned it for six years.

A.limit
B.limits
C.limiting
D.limited

单项选择题The great majority of the women who worked there（）badly treated.

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

单项选择题He urged the fact that he（）young.

A.is
B.was
C.be
D.were