--Do you think Jack will lend us a hand?--He is the last one to help others. He _____lend his hand, though.

—Look, someone left a book.—Oh, yeah … This book ________be Kitty’s. Only she likes to read this kind of books.

—What does the notice on the wall say?—“No person       take books out of the reading room; otherwise he would be fined.”

It is impossible to please everyone. We can only do our best.

 --- Is John coming by train?--- He should, but he _______ not. He likes driving his car.