Choose the best answer to each of the following questions.
Their books are................... ours because they bought second-hand ones.
A.twice cheaper than
B.twice cheaper as
C.twice as cheap as
D.twice so cheap as

Choose the best answer to each of the following questions.
The man gets old now, he works ............ he used to.
A.half as hard as
B.as hard as half
C.half harder than
D.harder half than

Choose the best answer to each of the following questions.
Nam always takes all opportunity to practise English ............. Tan seldom uses English.
A.when
B.whereas
C.wherever
D.whenever

Choose the best answer to each of the following questions.
They would prefer ............... at home rather than ................ out with freinds.
A.stay – go
B.to stay – go
C.to stay – to go
D.stay – to go

Choose the best answer to each of the following questions.
Students prefer .................... in group to .................. alone.
A.working – study
B.work – studying
C.work – study
D.working – studying

Did you happen to run into George last week?
A.Was it a week ago that you last saw George?
B.Did you, by any chance, see George last week?
C.Where do you think George was all last week?
D.Have you any idea what happened to George last week?

Choose the best answer to each of the following questions.
................ you talk, ................ I am.
A.More – more tired
B.The most – the most tired
C.The more – the more tired
D.More – the most tired

Choose the best answer to each of the following questions.
The river is getting ...................... in this area.
A.more polluted
B.the most polluted
C.as polluted as
D.more and more polluted

Choose the best answer to each of the following questions.
Lan is very beautiful, but she is .............. her younger sister.
A.more beautiful than
B.the most beautiful
C.less beautiful as
D.less beautiful than

Choose the best answer to each of the following questions.
Hoa is the same..................Mai.
A.age of
B.old as
C.age as
D.old of