73. She________the children round him and asked them to listen to her attentively.

When the clerk at the counter was rude to her, she and told the clerk to speak to him.

Alice, you ______ on the phone.— I’m coming. Thanks.

a mystery and a shock to all who knew him that he____ have taken his own life in this way.—What a pity, indeed.

If water becomes increasingly scarce in decades _______, water shortage will become a hot issue all over the world.[ ]