http://image.l.hjfile.cn/file/200809/2008091510231340540.mp3 Pattern Practice 句型练习 Ask and answer questions. 问答练习。
1.A: Are Robert and Lucy waiting for a taxi?
B: No, they aren’t.
A: Are they waiting for a bus?
B: Yes, they are.
2.A: Are Robert and Lucy waiting for a taxi?
B: No, they aren’t waiting for a taxi.
They’re waiting for a bus.
3.A: What are you doing?
B: We are/We’re waiting for a bus.
4.A: What are Robert and Lucy doing?
B: They are/They’re waiting for a bus.
5.(Not with pictures 15 and 16)
A: What are they waiting for?
B: (They’re waiting for) a bus.
6.A: Who are waiting for a bus?
B: Robert and Lucy (are).