30. -Welcome to our school!　 -________________

A. Sorry　　　　 B.　 No, thanks　　　 C.　 Thank you　　　 D.　 Excuse me

29. -_____fine day! Let's go out for a walk, shall we?　 -OK, Let’s.

A. What　　 B. How a　　　 　 C. How　　 D. What a

28.　 "Linda did nothing this morning, ___ ?" "No. She got up too late."

A. had she　 　B. hadn't she 　C. did she 　D. didn't she

27. -Hello! May I speak to your father? 　　　- Sorry, he________ Hangzhou.

A. has come to　 B. has been to 　 C. has been in　　 D. has gone to　 　　

26. -How are you feeling now, children?　

-The more we get together, ________we'll be.

A. happy　　 B. happier　 C. the happier　　 D. the happiest

25. - May I leave now, sir?　　 - You'd better________ until they come.

A. not to go　　 B. to not go　　　　 C. don't go　　 D. not go