We have to wear sports shoes ___ gym class.A.for B.on C.of D

We have to wear sports shoes ___ gym class.A.for B.on C.of D we have to wear sports shoes for gym class we have to wear sports shoes for gym class.为何不用in gym class? John,you have to wear sports shoes for gym class. You don't have to wear sports shoes for gym class?中的for可不可以换 we have to wear sports shoes for g__ class. You have to wear sports shoes for gym class.（改为祈使句） _____ __ The students have to (wear sports shoes for gym class.) 对括号内 You have to wear sports shoes for gym class.变成一般疑问句,并作肯定回答 you have to put on your sports shoes for gym class.(找出一处错误,并 Wear sports shoes for gym class.改为否定句 You can't wear sports shoes for gym class.