— It’s dangerous to swim in this river.— Yes, you are right. The government has _________ people not to swim in it.
--Don’t _________ too late, or you will feel sleepy in class. --I won’t, Mum. Good night!
-- It’s too cold outside. Would you mind closing the window ? -- __________.
I prefer ________ at home rather than _________ out for a picnic on a rainy day.
--Tom used to be afraid of snakes. -- ________. I thought they were scary.
--Teenagers should speak to the old people _________ ? -- I agree with you.