1. don’t be afraid of asking for help________it is needed. a. unless b. since c. although d. when 解析 when 意为“在(当)……时候”。其余三项填入空格处,句意不通。 答案 d 2. a good storyteller must be able to hold his listeners’ curiosity________he reaches the end of the story. a. when b. unless c. after d. until 解析 until 意为“直到”,句意为“一位优秀的故事讲述者必须能够让听众在故事结束前一直保持好奇心”。 答案 d 3.________i know the money is safe, i shall not worry about it. a. even though b. unless c. as long as d. while 解析 as long as 意为“只要”,全句意为“只要我知道这钱是安全的,我就不会担心了”。类似地,下面一题也选 as long as: “what are you going to do this afternoon?”“i’ll probably go for a walk later on________it stays fine.” a. as far as b. as long as c. even if d. as if 答案 c 4 you will succeed in the end ________you give up halfway. a. even if b. as though c. as long as d. unless 解析 unless 意为“如果不”、“除非”,用以引导一个条件状语从句。 答案 d 5. “was his father very strict with him when he was at school?” “yes. he had never praised him________he became one of the top students in his grade.” a. after b. unless c. until d. when 解析 考查 not...until... 句式,其意为“直到……才……”。 答案 c 6. (2011•江苏省四市第一次调研)________there is going to be a policy change,________of those things is going to change. a. unless; few b. until; few c. unless; none d. until; none 解析 本题考查unless引导的条件状语从句。建议从第二空用排除法,这里的谓语形式为单数,所以排除few。答案 c 7.________i suggest, he always disagrees. a. however b. whatever c. whichever d. whoever 解析 whatever 引导的是让步状语