6 颗豆豆
1. 单选题
10 秒
What is it?
soccer ball
ping-pong ball
baseball
basketball
2. 单选题
10 秒
What is it?
baseball
volleyball
tennis ball
ping-pong ball
3. 单选题
10 秒
What is it?
soccer ball
ping-pong bat
ping-pong ball
baseball
4. 单选题
10 秒
What is it?
soccer ball
volleyball
baseball
basketall
5. 单选题
10 秒
What is it?
ping-pong bat
soccer ball
baseball
volleyball
6. 单选题
10 秒
What is it?
volleyball
baseball
basketball
soccer ball