chào em anh đứng đây từ chiều sao em học giỏi thế cho anh hỏi với
VI. Fill in each gap of following sentences with a suitable preposition.
1. Could I help you ______________ your bag?
2. Na got up late this morning because her alarm clock didn’t go ___________.
3. I’m looking forward ____________ seeing you in June.
4. In the competition, everyone fell____________ the deep and dangerous water.
5. Ha Long Bay is recognized ___________ UNESCO as a World Heritage Site