The students were told to keep ____ the right when walking upstairs and downstairs.A.on B.up C.to D.at为什么?

The students were listening to the teacher attetively是什么意思 The students were very h_____ . The students were fast (sleep). When the bell rang,the students were running to the p______ . All the students in the class except the sick boy (were encouraged) to plant trees yesterday.为什么用(were encouraged) they were talking to their teacher.I saw the students.（用when连接两个句子）--------I saw the students--------------. The students were very excited to hear the news.一般疑问句肯定否定回答 The students were _______(excite)to watch the basketball match.选择正确的形式填空 the teacher was surprised to learn the fact that two students were missing.求句子分析 the students were listening to the lecture attentiveil .改为被动句、并且翻译 The students were seen ___footabll on the playground just now. A. playing B. to play The students of clas one (were listening to a lecture) at that time.____ were the students of class one _____ at that time. The teacher told me the students that they____to be useful men to the country.A.were allexpected B.were all expecting C.all were expected D.allexpected The students were happy to visit Beijing University.(改为感叹句） Students were a___ to choose the subjects that interest them .把单词补充完整. The students in class2 were seen to play basketball by us yesterday (改为主动语态） students of the kindergarten were sent home with a letter to their parents 翻译 The students were involved____ a project to disscuss.A.in B.on C.at D .with