the students are at the primary school __ ______ __ _ a b c dthe students are at the primary school =======================================a b c d改错

All the students are back at school. The students are at school.对at school.提问 The students at present are h__than those in the past the students are supposed to come to sign up at the office of the students/union. at p___, the students are under too much pressure where are the students at lunch hour是什么意思 one of the students are not at school today 改错 looking students are at teacher their the 连词成句looking students are at teacher their the 连词成句 (All the students )are back at school.对括号里提问. （ ）are back at school? The students _____ at school todayA.all are B.are all C.all D.are not All the students are back ______ home.All the students are back ____ home.A.to B.at C./ What are the students What are the students Are the students happy? the students is /are All the students are back at school.句中at能否换成to?为什么? ( ) Look at ____picture A one B the one C first D the first( ) These books are my _____. A students B students's C students' D students of At the end of the term,students are ready for ______ (prepare)the exam.