1 A:We must hand in our homework after class.B:( )( )I2 We will go on doing our project tomorrow.改写句子We will go on ( ) the ( )tomorrow.3 In no time ,he changed his mind.( )( ),he changedhis mind
问题描述：
1 A:We must hand in our homework after class.B:( )( )I
2 We will go on doing our project tomorrow.改写句子
We will go on ( ) the ( )tomorrow.
3 In no time ,he changed his mind.
( )( ),he changedhis mind
答
2.doing；plan
答
2.doing projects 3，at once
答
1.so do
2.perpetrating
3.At once
答
Must 否定回答用 needn't ( 没有必要） 而： mustn't 表示禁止“一定不要”，如： You must play football in the street. 有不明白的地方再问哟，