— Must we go to see a doctor at once when we have the flu?—No,_____.A. we mustn’tB. we shouldn’tC. we don’t have to
Jack spends much money on books ________ he is not so rich.
It rained______yesterday. And it,s very cool today.
—______is your birthday gift, Linda? — It’s a circle.
Mrs. King can speak Chinese very well, but she can only write______ Chinese words.
Mr. Han is very old and he can’t______himself. So he lives with his children now.