Grammar 9-1

  What is Tom … now?

 Has he already … his homework?

 I … done my homework, when he came.

He showed me the book, which he … .

When I entered the room, Nick … reading a book. 

 This work is … than that one.

  Last year he … to London.

This is his book, and that book is … . 

… came in.

  He … go to the cinema tomorrow.

… he know about the lesson?