下面何种雷暴最有可能出现龙卷（）
A.成熟阶段的热雷暴
B.雷暴在经过河面时
C.飑线上的强雷暴
参考答案：C
看图，完成对话。
1. A:Let's play soccer.
B：That_______good.
2. A: _______watch TV.
B：No,I don't_______a TV.
A:Let's play computer games.
B: _______sounds interesting.
3. A:Do you have a car?
B:No, I_______.I have a truck.
A:Does he have a car?
B:Yes, he_______.
