1. Strangely, some people find that they can smell...

1. Strangely, some people find that they can smell one type of flower but not another, _______others are sentitive to the smells of both flowers. A. when B. since C. for D. while 2. Doing your homework is a sure way to improve your test scores, and this is especially true _____ it comes to classroom tests. A. before B. as C. since D. when 3. _______ to speak when the audience interrupted him. A. Hardly had he begun B. No sooner hardly had he begun C. Not until he begin D. Scarcely had he begin 4. Conversation becomes weaker in a society that spends so much time listening and being talked to _______ it has all but lost the will and skill to speak for itself. A. as B. which C. that D. what 5. He can continue to support himself and his family _________ he produces a surplus. A. only if B. much as C. long before D. ever since 6. He will surely finish the job on time __________ he has left to do it in his own way. A. in that B. in case C. as far as D. so long as 7. ________ its economy continues to recover, the US is increasingly becoming a nation of part timers and temporary workers. A. Even though B. Now that C. If only D. Provided that 8. All these conditions tend to increase the probability of a child committing a criminal act, ______ a direct causal relationship has not yet been established. A. provided B. since C. although D. supposing 9. _________ what he achieved in medicine he remained modest. A. Despite B. Although C. If D. Whereas 10. The theory that the earth was flat was very popular in ancient Rome. This view, _________, has generally proved to be wrong nowadays. A. however B. meanwhile C. therefore D. moreover