Not until____________the exam _________ the importance of doing homework.
| A．had he failed; he realized | B．he had failed; did he realize | C．he had failed; he realized | D．had he failed; did he realize |
12. I thought she was the very girl that I should marry _______ I met her.
| A．first time | B．for the first time | C．the first time | D．by the first time |
11. ____ you’re got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
10. ________ her faults, she’s Arnold’s mother. Don’t be so rude to her.
| A．whatever | B．What | C．Whichever | D．Whenever |
9. Mary clapped her hand over her mouth _______ she realized what she had said.
| A．while | B．as soon as | C．suddenly | D．then |
8. _____ she goes, there are crowds of people waiting to see her.
| A．Wherever | B．however | C．Whichever | D．Whoever |