听下面一段对话,完成五道小题,每小题仅填写一个词。这段对话你将听两遍。
How much does a T-shirt cost now? A. $21. B. $27. C.$30.
How much money does the man have? A. $7. B. $8. C. $5.
How many units must the man review over the weekend? A. Four. B. Five. C. Nine.
How much does the computer cost now? A. $ 1,000. B. $ 850. C. $ 1,150.
How many students took IELTS test last month? A. 23. B. 60. C. 42.