Choose the best answer from the choices given and put the letter A, B, C or D in the brackets.

　　1. This encyclopedia, which you can buy at any bookstore, will give you ______ you need. ( )��

　　A. all the information B. all of information

　　C. all the informations D. all of the informations

　　2. The child ought to have a rest; she ______ the piano for nearly three hours. ( )��

　　A. had practiced B. is practicing��

　　C. has been practicing D. practices��

　　3. Great efforts to increase agricultural production must be made in this country if food shortage ______ . ( )��

　　A. is to be avoided B. can be avoided��

　　C. will be avoided D. has been avoided��

　　4. My son's hair is too long; it wants ______. I'll have it ______ tomorrow. ( )��

　　A. cutting… done B. cutting… to be done��

　　C. being cut… done D. to be cut… to be done��

　　5. All the tourists desire that the guide ______ them timely information about the changes in the schedule. ( )��

　　A. give B. gave

　　C. gives D. can give��