I bought three books, but none of _______ is interesting.
| A．which | B．that | C．what | D．them |
I’m thinking about going to Germany this summer and I need your advice. You’re the best person I know to answer my questions,____you’re German.
| A．after | B．before | C．for | D．unless |
I was advised to arrange for insurance(保险) _______ I needed medical treatment.
| A．nevertheless | B．although | C．in case | D．so that |
—We’re supposed to be there at 6:00?
—_______ I know.
| A．As soon as | B．As far as | C．So long as | D．As possible as |
I thought things would get better, but _____it is they are getting worse.
| A．before | B．because | C．as | D．after |
Although he knew little about the large amount of work done in the field , he succeeded ____other more well-informed experimenters failed.
| A．as | B．unless | C．what | D．where |