Tom was walking along the riverside when he heard someone calling him from behind. He turned around_______ found nothing.
I like the shoes.. Can I _______________ ?
—How much this pair of shoes ?—Thirty yuan.
Mrs Green is ________ an old coat today.
Millie always dresses up _____a tiger when Halloween comes.
– Could I have ______beef for lunch?.-- Sorry, we don’t have ______ at home.