I have not known this fellow to be given to exaggeration, therefore when he described his Internet binges, when he would spend over twenty-four hours on line non-stop, it gave me pause to think.

If I had known who he was, I______ him that wrong code.

A．would not give

B．have given

C．had given

D．would not have given

______ I'd have told you.

A．If I would have known it

B．If I had have known it

C．Had I known it

D．Should I known it

______ I'd have told you.

A．If I would have known it

B．If I had have known it

C．Had I known it

D．Should I known it

______ I’ve told you.

A.If I would have known it

B.If I had have known it

C.Had I known it

D.Should I known it

Chinese medical authors are known to have influenced Indian writing.

A．YES

B．NO

C．NOT GIVEN

A.If l would have known it

B.If I had have known it

C.Had I known it

D.Should I known it

______ the balcony, it could have saved me a lot of troubles.

A．Have I known

B．Had I known

C．I have known

D．I had known

I ______ the boy over there for years.

A、knew

B、will know

C、have known

D、known

B．妊娠15周以后

C．妊娠18周以后

D．妊娠20周以后

E．妊娠28周以后