54. It's very cold outside. You should put on more clothing to ______, otherwise you will catch bad cold.
---Do I have to bring my camera tomorrow afternoon? ---I think so.We _______ the Botanical Garden then.
We have an adviser on hand in this activity _______ you have any worries or problems.
The spread of the Ebola virus in Nigeria is believed _______ by August, 2014.
My boss is very generous, and he is ______ generous when we get a big order.
This room isn’t actually _______ I wanted when I made my reservation.