—What do you think of these two books?—______ of them are interesting.And I’ve read them several times.
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.
— Does the tiger come from Europe? — No, it doesn’t. It comes from ________.
I like Britney Spears. She’s ________ favorite singer.