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一、知识点链接
二、典型例题
1. _____ there is fresh air, there is oxygen.
A. Wherever B. whenever C. unless D. whether
2. Jimmy asked Mary to lend him some money, which she agreed to, _____ that he paid her back the following month.
A. on occasion B. in case
C. under circumstances D. on condition
3. If we work with a strong will, we can overcome any difficulty _____ great it is.
A. what B. how C. however D. whatever
4. The boys were _____ interested in their game _____ they did not notice it was dark.
A. so … to B. as … that C. so … that D. as … as
5. He was speaking so fast _____ we could hardly follow him.
A. what B. as C. but D. that
【答案】ADCCD
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