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 吗?