1 . People say: “Guilin’s scenery is peerless in the world.” It was not until I visited the place________ I found it really worthy of the reputation (名声). (用适当的词填空)

2 . Yesterday, it was due to the heavy snow____________ many people were late for work. (用适当的词填空)

3 . It’s the person’s attitude ________ drives results.(用适当的词填空)

4 . He couldn’t make out why it was __________ she refused to admit there was a problem in her plan. （用适当的词填空）

5 . It was not until the teacher had told him___________ he realized his mistakes. (用适当的词填空)

6 . It was his brave heart and strong faith ________ could make something unusual happen finally. (用适当的词填空)

7 . It’s in the Summer Olympics _________ you have the running races, together with swimming, sailing, etc.（用适当的词填空）

8 . Although it's the doctors and nurses________ will treat her injury, it's my job to make her feel better. （用适当的词填空）

9 . It was not until she took off her glasses ________ I recognized her. （用适当的词填空）

10 . What was __________that made the patients hard to breathe?