the students doing their homework解译

the students doing their homework解译 The students were busy doing their homework,only____ once in The children ( ) doing their homework. the are doing their homework.对doing their homework提问 The students had better doing their homework now.这句话有错吗? students all their are in of doing homework classroom the my Tell the students their homework A.do B.doing C.to do D.did the students are busy （）their homework The students do their homework ____. the students found that all their homework Students write their homework on the p_______. The children（ ） doing their homework.