She doesn’t know __________.

A．what she can do it

B．what to do it

C．how to do

D．how to do it

She doesn’t know________．

A．what she can do it B．what to do it C．how to do D．how to do it

She doesn't know ________.

　　A. what she can do it B.what to do it

　　C.how to do　　D.how to do it

Lily doesn’t know ________ she and her friends can do to help the little boy ________ parents have left their hometown for making money.

A. that; whose            B. how; who              C. what; who        D. what; whose