afraid
                    - I’m afraid a car is too expensive for me.—But more and more Chinese can_______ to buy one.
 - I’m afraid a car is too expensive for me. –But more and more Chinese can to buy it.
 - I’m afraid I can’t ________ you, sir. Can you speak more slowly? —Of course.
 - I’m afraid I’ll have to _________ the lost book.
 - I’m afraid I can do nothing about it. All that can be done ____.
 - Are you afraid _____ plane?
 - I afraid of the dark, but now I don’t.
 - Excuse me,Can this magazine be taken out of the reading room? —–,———you can only read it here.
 - I’m afraid I can’t pass the English exam.–Don’t worry. You study very hard. God(上帝) helps those people help themselves.
 - I wonder _ _.— I’m afraid we’ll be late.