1. There are so many kinds of tape-recorders on sale that __________________________ (我都拿不定主意买哪一种).
　　2. The light in the office is still on._________________________ (他忘记关了).
　　3. His composition was so confusing that _____________________________ (我简直看不懂).
　　4. As the saying goes, reading without reflecting is like __________________________ (吃饭不消化).
　　5. _______________________ (他的回答是这样) that he didnt say yes and he didnt say no.

　　答案与解析：
　　1.  I cant make up my mind which to buy.
　　2. He forget to turn it off
　　3. I could hardly make any sense of it
　　4. eating without digesting
　　5. His response was such