Only in this way to make improvement in the operating system.
| A．you can hope | B．you did hope |
| C．can you hope | D．did you hope |
14. Why do you want a new job ____ you’ve got such a good one already?
| A．that | B．where | C．which | D．when |
13. Don’t play by the river _______ you fall in and drown!
| A．in case | B．so that | C．in order that | D．when |
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 |