The rapidly growing birth rate brings about a lot of environment problems, which the government is supposed to take _____.
In the west, people make _______ a rule to send Christmas present to their relatives and friends.
“Look at that lady on the stage. She’s already forty.” “You are joking. She doesn’t look ________.”
Why don’t you bring ______ to his attention that you are too busy to do it?
They live on a busy main road. ______ must be very noisy.
They are good friends. _______ is no wonder that they know each other so well.