第1个回答 2014-04-10
It rained heavily yesterday, preventing us from coming.
whoever wants to speak to me on the phone,tell him i am busy
It looks as if it is going to .
how he has become successful is still a puzzle
where the power station will be built hasn't been decided yet
第2个回答 2014-04-10
prevented- preventing
want- wants
it looks like that
How he has become successful is sitll a puzzle
haven't - hasn't
第3个回答 2014-04-10
第一句prevented 和 us 中间加and.
第二句them变为whom
第三句去掉that
第四句he后面加been
第五句haven`t变为hasn`t
第4个回答 2014-04-10
yesterday后加that
busy加ing
that改为like
has改为does
havn't改为hasn't