Hissisterlefthomein1998,andsin-优题课

His sister left home in 1998, and ______ since.

A．had not been heard of

B．has not been heard of

C．had not heard of

D．has not heard of

科目英语题型单选题难度中等

Suddenly the idea came to me ____ I might turn to Mr．Smith for help．

I don' t want to be a person that always cries, but today apparently ____．

Naturally, after I tell my brother what to do, he ____ go and do the opposite．

Mr．Smith is one of the ____ customers to our restaurant．

He didn’t____ what I said because his mind was on something else．