It used to______that sugar could decay the teeth.
A、be believed
B、believe
C、believing
D、being believed
A、be believed
B、believe
C、believing
D、being believed
第1题
B.has been used
C.was used
D.is used
第2题
The higher the standard of living,().
A.the greater is the amount of paper is used
B.the greater amount of paper is used
C.the amount of paper is used is greater
D.the greater the amount of paper is used
第3题
A.错误
B.正确
第4题
A、正确
B、错误
第5题
A.used to living
B.were living
C.would live
D.used to live
第6题
A.was used to tell
B.is used to telling
C.used to tell
D.used to telling
第7题
A.It used to be an imperial country in the world
B.It plays an active role as a member of European Union
C.It is a relatively wealthy and developed country
D.It used to be one of the superpowers in the world.
第8题
There used to be some trees by the lake, ____________?
A、was there
B、were there
C、weren't there
D、wasn't there
第9题
A.错误
B.正确
第11题
A、habit
B、hobby
C、custom
D、like