完形填空。
We go to school   1  _ Monday to Friday. Every    2  _ we have six lessons. On Monday   3  _ , we have Chinese, Maths, English and PE. In the afternoon ,we   4  _ Art and Science. But on Tuesday , we    5  _ have PE lessons.
（1）(     ) A. on         B. in        C. from       D. at
（2）(     ) A. Monday    B. day       C. week       D. time
（3）(     ) A. morning    B. afternoon  C. evening     D. night
（4）(     ) A. there is     B. there are   C. have       D. has
（5）(     ) A. no         B. don’t     C. doesn’t     D. /