Choose the best answer 1. The Swiss..... thrifty and hard-working A. Is B.are C. Has D have 2. .........blind can see nothing A. The B.a C.all D. Every 3. .....you.....walking to school? A. Are/used B.are/used to C.did you D.did/used to 4......he ...... a lot when he was young? A. Use/to smoke B. Did /used to smoke C.use/ to smoking D. Did/ use to smoke 5. I don't think the rich.... bad.Actually , most of them work very hard A. Is B. Are C.was D. We're 6. The house ...I am living is not in very good condition A. Which B.in which C. In where D.in place