Hi. I didn’t see you at the party in the company yesterday evening.— Oh, all my family _______ my son’s birthday at home.

At night, plants _________carbon dioxide and at the same time _________oxygen. So, we may put some in our bedrooms to purify the air.

What do you think of Guo Mingyi- He is such a kind and generous man that we all him very much.

The book is very good, but I don’t have money (钱).—You can ______ your mother ______ some money.

How nice the music sounds!—It does! The peaceful music will make you feel ______.