He has no idea what the book is about．Hehave read it very carefully．

Who is at maths, Tony, Toby or Jim— Toby. He always gets good grades.

The good-for-nothing graduate’s mind _______ when he learned that he could not get the graduation diploma because of his poor performance. [ ]

If you want to do international trade successfully, ______ of English is _______.

I’d like to work with ________ is honest and easy to get on with.