37. The boy is curious _____ everything. I am sure he is very clever.
They all looked down upon him. He was __________ a singer.
In the experiment we kept a watchful eye __________ the development and recorded every detail.
My interest in collecting stamps __________ my childhood.
We want to leave this hotel. Perhaps you can __________ us another one
---_____ you ______ the Beatles’ story?.---Yes. And their songs are popular.