Hãy đặt câu hỏi với WHAT theo gợi ý:
this/clock –> What is this? It is a clock
these/ books –> What are these? They are books
Hãy đặt câu hỏi với WHAT theo gợi ý:
this/clock –> What is this? It is a clock
these/ books –> What are these? They are books