---What a mess(杂乱)! Tony, you should ___________ your things to keep the room clean.---OK, Mum! I’ll do it at once.
What’s this ? - ____ English book.
Mary is in _____ .
Can you cook? -No, I_______.
What’s your favourite_____?--Swimming.
. This computer is the best one ____ the shop, but it is also the most expensive ___all the computers.