1。They often help Jack with his English。 (用this time yesterday 写句子)They _________________________________________ this time yesterday。
2。He will laugh at me。 He will see me。 (用as soon as 连成一句)He __________________________________________________________。3。 The boy was flying a kite at that time。
(用划线部分提问)_____________________________________________________________4。They were doing their homework when the teacher came in。
(改为否定句)They _____________________________ when the teacher came in。5。Henry was sweeping the floor。 His father came back。(合并为一句)Henry ___________________________________________________________ 。