March 22 nd is Water World Day, but too much water ______ in our life every day.

Have you known MrsJackson for a long time? — Yes, since she _____the music club.

Do you happen to have twenty dollars onyou— ____— I want to buy a referencebook.

下列各句中，没有语病的一句是

He kept thinking of the question whether it was _____ for his father to change the habit of a life time in sucha short time.[ ]