21. ______valuable advice it is! It will be of ______great value to me.
A. What a；the B. What；不填 C. How：the D. How；不填
22. It’s generous _____ them to donate money to UNICEF.
They think it important _____ them to help poor children go to school.
A. to; for B. for; of C. of; to D. of; for
23. —The story is difficult to understand.
—l agree . ____ it is short and there are few new words in it.
A. Because B. However C. But D. Though
24. The boy looks nice _________ white and the red sweater looks good _________the girl.
A. with , on B in , on C. on , in D. in , with
25. I can’t decide _____ .
A. to buy which one B. which one to buy C. to buy which D. which to buy one
26. When I went into the room，I found__________ in bed．
A．him lying B．he lying C．he lies D．him was lying
27. –---I wonder __________. –--Zebras.
