Fill in the blank with suitable prepositions.
1. I'm looking forward ______ my parents this summer.
2. Great Wall of China is recognized______ UNESCO as a World Heritage Site.
3. The boy is sitting ______ the front seat of the bus.
4. Let me help you ______ your heavy bag.
5. Sally is interested ______ making cakes.
6. Most people fell ______ the sea in Titanic.
7. The alarm goes ______ and he has to wake up to go to school.
8. The government is thinking ______ exporting rice to Singapore.
1, to
2, by
3, in
4, with
5, in
6, of
7, off
8, about