Viết lại câu sao cho nghĩa không đổi:
1.How old is your grandpa? What....................................?
2.A friend of hers goes to Hanoin by bicycle. One of....................................
3.You are too old to wear that shirt. You are not.............................
4.He's the tallest boy in our class. noone....................................
5.No smoking here. Don't.....................................
6.How much does this house cost? What's..................................
7.Whose bike is this? Who....................................?
8.We live quite near the park. We don't..............................
9.It doesn't rain a lot during the dry season. There..................................
10.Let's get together and sing a few songs. How...................................?