小敏同学利用光敏电阻受到光照时电阻变小的特性，设计了如图自动控制电路，要求光暗时灯亮，光亮时灯灭。在实际调试时，发现灯始终不亮，而光敏电阻和其他电路元件都正常。下列调节能使控制电路达到要求的是（　　）

根据要求完成句子

1. Tom becomes interested in playing basketball. (改为同义句）

  Tom __________ __________ __________ playing basketball.

2. Bob likes the story because it is funny.（对画线部分提问）

  __________ __________ Bob like the story?

3. There are more than 900 students in our school.（改为同义句）

  There are __________ 900 students our school.

4. They can’t see film unless they have tickets.（改为同义句）

  They can’t see film __________ they __________ have tickets.

5. The box is so heavy that we can't carry it.（改为同义句）

  The box is __________ heavy for us __________ carry.2