1.Computers can work out difficult problems_______more quickly than any human being can.

1.Computers can work out difficult problems_______more quickly than any human being can.
A.far B.many C.most D.very
2.After one hour's swimming,we_______reach the other side of the river.
A.can B.could C.are able to D.were able to
3.The teacher_______write on the blackboard when the bell_____.
A.write...rang B.was writing...was ring
C.was writing...rang D.wrote...was writing
4.The shop reduced the price of the goods______20%.
A.with B.by C.into D.for
5.Simon ran more slowly than Eddie,so he entered for the high jump_______the dash.
A.instead B.took the place of
C.took place of D.instead of
6.At night,a light_______from the front of the raft.
A.was hung B.was hanged C.hanging D.hanged
7.One basic way of improving your memory_____the link method.
A.is use B.is using C.is used D.is to use
8.He________in the south.Now he has been________in the south.
A.used to live...used to the life
B.used to living...used to live
C.used to the life...used to living
D.usr to life...used to live