请学长具体解析一下这样做的原因,感谢啦,
1.There are 40 students in Class 1and there are 45 students in Class 2(保持原意)
There are ________ students in Class ____________in Class 2
2.(Heavy objects may fall onto cars in the streets )when there is a typhoon.
(对括号里部分提问)
____________ ____________happen when there is a .typhoon?
3.Kitty is beactiful .Mary is very beautiful (句意不变)
Mary is ___________ _____________than Kitty.