单句填空（每题1分，共10分）
1. After the exam, my teacher told me that failure ______ (be) the mother of success.
2. There is no such thing ____ a free lunch.
3. There is a __________ (determine) look on his face.
4. ______she made up her mind, nothing can change it.
5. We_____________ (leave) for Japan tomorrow morning.
6. He asked me whether the big flood ___________ (destroy) the area.
7. Years passed before the war was finally at _____end.
8. He tried to work, but it was ________ (use).
9. It was the curtain _______ was full of dust.
10. Geography also plays a part _____ making dialects.
1. is 2. as 3. determined 4. Once 5. will leave/are leaving
6. had destroyed/ destroyed 7. an 8. useless 9. that 10. in
题目分析：
小题1:这个句子中含有一个宾语从句，虽然主句的时态是一般过去时，但是从句的内容是一个真理，所以从句仍然要用一般现在时
小题2:There is no such thing as a free lunch.是句谚语，意思是天下没有免费的午餐
小题3:应该用形容词来修饰名词“look”
小题4:这里表示“一旦她下定决心”，故用once
小题5:根据时间状语“tomorrow morning”，可知应该用一般将来时
小题6:这个句子中含有一个宾语从句，因为主句的时态是一般过去时，故从句要用相应的过去时态
小题7:at an end是固定用法，意思是结束
小题8:形容词作表语，且表示没用的意思，故用useless
小题9:这是一个强调句，故用that
小题10:play a part in是固定用法，意思是起作用
点评：做这类题，不但要根据句意，选择正确意义的词、词组及句型，还要根据具体语法和语境，选择适当的时态、语态及使用正确的词形。