11.按照要求作答。
(1) ______ (play) basketball is fun but you can get hurt.
______ (ride) a bike is a good way to go to school. (用所给词的正确形式填空)
(2) He has a cough. (对画线部分提问)
______ with him?
(3) What's your father's telephone number? (按照实际情况回答)______
(4) What's your mother's telephone number? (按照实际情况回答)______

(1) Playing; Riding
(2) What's the matter
(3) It's 138xxxxxxxx (根据自己的实际情况填写父亲的电话号码)
(4) It's 139xxxxxxxx (根据自己的实际情况填写母亲的电话号码)

12.画一画,说一说。
Draw two rules for your classroom on your notebook, and then tell your friends about them.

Since this is a drawing and speaking task related to English learning, rather than a mathematical problem, but as per the instruction to provide a response, here is how a student might answer it in English, following the guidelines:
Drawing and speaking answer:
1. Drawing: (On the notebook, I would draw two simple icons or diagrams representing the rules. For example, first one could be a picture of a hand with a "shh" sign next to it, indicating "Keep quiet". The second one could be a picture of a hand throwing trash into a bin, indicating "Throw garbage in the bin".)
2. Speaking: "In our classroom, we have two important rules. First, we should keep quiet during class time to respect our teachers and classmates. Second, we must throw our garbage in the bin to keep our classroom clean."