All the studcnts were very happy 改成一般疑问句

All the studcnts were very happy 改成一般疑问句 All the students were very happy 变为否定句、一般疑问句、做肯、否定回答 all the students were very excited改一般疑问句 All the students were very excited改成否定句,改一般疑问句,作肯定和否定回答 we are very happy 改成一般疑问句是什么 All the students were very happy怎么改否定句 All the students were very excited怎么变否定,肯定回答,怎么变一般疑问句,否定句 The leaves were brown in autumn.改成一般疑问句 There were some birds in the tree.改成一般疑问句 The child cried all the day 怎么改成一般疑问句 the hamburgers were very delicious 改为一般疑问句 The doctor is very busy怎么.改成一般疑问句