单项选择题
M: Can you help me with these books W: In a minute. I’m almost through with this chapter.
A. Arranging the books. B. Reading a book. C. Helping with the books.
A. Because the waitress is too busy. B. Because the duck takes quite a while to prepare. C. Because he hasn’t ordered.
A. 4. B. 3. C. 5.