1.It is no use __ me not to worry.

1.It is no use __ me not to worry.
a.you tell b.your telling
c.for you to have told d.having told
为什么要选B?怎么分析
2.He is very busy ___ his papers.He is far too busy ___ callers.
a.writing; to receive b.wrtiting; receiving
为什么选A?far too busy 是太忙的意思,后面不跟doing