The workers in the Huashan Mountains have to rubbish to keep the mountains clean.
The camel comes from Africa. It’s African. It lives in the ________.
— Let’s ________ this weekend.— That’s a good idea.
In the UK and the USA people often give flowers and cakes as birthday presents. They ________ open their presents at once.
There ________ any computers on our desks.
— When ________ Barb’s birthday party?— It’s December 22nd.