10.5.2 Choose the correct words. Check in
your dictionaries.

you mustn't open the door for a stranger. a stranger should trick you. you might answer the phone. you don't have to tell everybody that you are home alone . you must know your parents' phone number. it have to be wise to know your neighbours .

  dolphins are cleverer than whales.  horses are taller than dogs.  cats are bigger than mice.  tigers are faster than dogs.  snakers are longer than lizards.

канада является второй по величине страной в мире и самым большим на северо- американском континенте.

the heart in which love will live forever young. and despite the fact how old you are, if you like it will seem that you are young. love is not only to the opposite sex, but also to their children, parents, friends. love is a wonderful feeling, it greeet heart and soul. and what a wonderful feeling of mutual love? it's like a butterfly fluttering in your stomach.