【正文】
空。 _1__ four o?clock in the afternoon. It?s time __2_ __3__ play games. The students are__4__ the playground. They are very happy. Look! The students __5__ Class One are doing exercises __6__there. Near them, some boys are running. Others are playing _7_ football. They are not in Grade One, they?re in Grade Two. “What__8__your classmates?” “Oh, they?re playing basketball _9_ the young teachers. They are having __10_ good time.” ( ) 1. A. It B. Its C. It?s ( ) 2. A. what time B. times C. time ( ) 3. A. too B. to C. on ( ) 4. A. in B. out C. of ( ) 5. A. of B. in C. at ( ) 6. A. under B. over C. in front ( ) 7. A. with B. the C. / ( ) 8. A. are B. do C. about ( ) 9. A. after B. with C. and ( ) 10. A. the B. / C. a