题目内容：

Mike was starting the fourth grade in the autumn. He felt that he was old enough1._____ (ride) a bike to school like other kids. But there were two problems! The 2._______ (one) was that he didn’t know if his parents would let him ride a bike to school. The second and the 3. _____ (big) of the two problems was that he didn’t have a bike, because he and his parents had just moved to the town this summer. Mike started 4._____(get) over his problems. First, he asked his parents if they would let him ride a bike to school in the autumn. To his 5.______ (surprise), they said, "Sure, Mike, you are old enough, but you don’t have a bike!" Mike began to think about how6._______(solve) the problem. Finally, he thought of an idea. He asked the neighbors if he could mow (割) their lawns (草坪) 7.______(make) money to buy a bike. For all of them needed to mow their lawns, they told Mike ,”It can be fine if your father  agrees. Mike’s parents were 8._______(please) that he found a way to buy a bike himself. They agreed and 9.________(teach) Mike how to mow the lawn properly.

10._______(final), he had enough money to buy his bike. He bought a beautiful black and red mountain bike.