--Would you like this pair, or that pair? ---___ will do.

 John thought he was   when the manage asked him for the advice on the new product.

  is known to us is that tobacco contains nicotine and other harmful products，so you should give up smoking．

They couldn’t eat in a restaurant because ______ of them had _______ money on them.

 I don’t like to travel to big cities, because to me, one city is much like ________.