8. Tom was wearing a suit, ___________ was unsuitable for an informal gathering. A. and B. it C. which D. that 9. Anne: "Make yourself at home". -- John : "._________________." A. Yes, Can I help you? B. Not at all. Don't mention it. C. Thanks! Same to you. D. That's very kind. Thank you 10. My car would not start ____________ Jenny’s started immediately. A. whereas B. though C. however D. nevertheless 11. You work very hard. I’m sure you’ll have no _______ the exam . A. difficulties of passing B. difficulty passing C. difficulties to pass D. difficulty to pass 12. _____________________ director must have surprised all the staff. A. You nominated B. Your being nominated C. You have been nominated D. Your nominating 13. This is such an important question that we can’t _________________thinking it over.