30.we are busy in preparing for the performance in order not to ________ in front of our schoolmates.

A lose hope　　 B lose face　　 C lose confidence　　　 D lose heart　

29.He is so stubborn that perhaps nobody can _________him to change his mind.

A advise　　 B require　　 C persuade　　 D suggest

28.Now in china ,boys and girls have a(an) ___________right to study.

A same　　 B commom　　　　 C similar　　　　 D equal

27.He seems to know everything, but ________he has never been there.

A extremely　　　 B exactly　　 C actually　　 D entirely