附加题（选答，共10小题，每道题1分）
1. Not having a good command of English can be a serious ________ preventing you from achieving your goals.
2.
| A．obstacle | B．fault | C．offence | D．distress |
19 “Who are making so much noise in the garden?” “_______ the children.”
| A．It is | B．They are | C．That is | D．There are |
18. It was because of English girlfriend, believe it or not, ______ his English improved so greatly.
| A．which | B．as | C．that | D．what |
It was lack of money, not of effort, _____ defeated their plan.
| A．which | B．as | C．that | D．what |
I don’t know _____makes her afraid of having her business discussed.
| A．what it is about Mary that | B．that is it abut Mary what |
| C．what is it about Mary that | D．that is about Mary what |
15. It was with great joy _____ he received the news ______ his lost daughter had been found.
| A．because, when | B．which, that |
| C．since, how | D．that, that |