单项选择题
A．Just a second. B．Not that I know of. C．I can't think of it now. D．Why ask?
Man: We had a trip to South Africa this summer. Woman: ...
单项选择题Man: We had a trip to South Africa this summer. Woman: （）. Man: Yes, we did. In fact, we even encountered a lion.
A．Didn't you? B．How did it go? C．I bet you had a great time. D．I guess you did.
Speaker A: I'm getting pretty bored. We should do somet...
单项选择题Speaker A: I'm getting pretty bored. We should do something despite the rain. Speaker B: （）. What do you have in mind ？
A．I back you up. B．Who cares7 C．I'm with you. D．I like the rain.
Speaker A: Hi. My name is Mark. I'm from Houston, Texas...
单项选择题Speaker A: Hi. My name is Mark. I'm from Houston, Texas. Speaker B: I'm Bill. Glad to meet you. What year are you Speaker A: （）
A．I was born in 1990 B．I've been here for years C．I'm 19 years old D．I'm a first-year student
