----- Nội dung ảnh ----- IV. Fill each gap of the following sentences with a suitable preposition. (0.2 x 5 = 1.0 pt)
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.