21. ---- According to my grandma, it is a good idea to eat chicken soup when you have a cold.
---- ______, scientists agree with her.
A. Sooner or later B. As usual C. Right away D. Believe it or not
22. If we sit near _______ front of the bus, we’ll have _______ better view.
A. 不填;the B. 不填;a C. the; a D. the;the
23. I’ve won a holiday for two to Florida. I _______ my mother.
A. have taken B. am taking
C. take D. will have taken