Could you please take out the rubbish?<br />What's the matter with you, Cindy?<br />What time did you arrive in Beijing yesterday?<br />Let's go climbing this weekend.<br />What were you doing when the rainstorm came?
（1）
A . Never mind.B . No problem.C . Not at all.
（2）
A . I have a cold.B . I have a dog.C . I have to do.
（3）
A . By car.B . At the airport.C . At 4:00 p. m.
（4）
A . That's right.B . Good idea.C . You're welcome.
（5）
A . I was writing.B . I am singing.C . I was at home.
