96. They are cleaning the classroom. (改为否定句)
They ____________ ____________ cleaning the classroom.
97. Mike borrowed five hundred dollars from his cousin. (就句子画线部分提问)
____________ ____________ did Mike borrow from his cousin?
98. “Do you often spend time with your grandparents?” Lucy asked me. (改写句子，句意不变)
Lucy asked ____________ I often ____________ time with my grandparents.
99. If we don’t help him, he won’t be able to finish the work on time.（改写句子，句意不变）
It’s ____________ for him to finish the work on time ____________ our help.
100. They usually give these animals food to eat twice a day.（改写句子，句意不变）
These animals ____________ usually ____________ twice a day.
Can you count from one to twenty _________ _________?
Hou Yifan started to _________ _________ at the age of five.
Everyone is busy this week. How about _________ _________ the party till next week?
That talent show is quite popular, but it’s never _________ _________.
105. 我认为有必要把孩子们分成几个小组，这样方便他们课堂上进行讨论。I think it _________ to divide the students into small groups. This helps them have _________ in class.