Directions: There are 10 incomplete statements here. You are required to complete each statement by choosing the appropriate answer from the 4 choices marked A),B) ,C) and D ). You should mark the corresponding letter on the Answer sheet with a single line through the centre. 
　　16. The production ________ of the factory is now 800,000 units.
　　A) ability 
　　B) power 
　　C) capacity 
　　D) possibility
　　17. He has been away from home ________ three months ago.
　　A) since 
　　B) for
　　C) during 
　　D). before
　　18. I have bought a story book ________ there are many pictures.
　　A) in which 
　　B) with which
　　C) which 
　　D) in that
　　19. The reason for my refusal is ________ you are undependable.
　　A) because 
　　B) that
　　C) due to 
　　D) for
　　20. The students ________ their papers by the end of this month.
　　A) will have finished 
　　B) have been finished
　　C) have finished 
　　D) will finish
　　21. ________ is known to all, Peking University is one of the most famous universities in China.
　　A) It 
　　B) As 
　　C) What 
　　D) That
　　22. These pictures ________ to his mind his previous days in China.
　　A) brought up 
　　B) brought back
　　C) brought about 
　　D) brought forth
　　23. If you don' t mind, I ________ do my homework than play cards with you.
　　A) had better 
　　B) would rather
　　C) prefer 
　　D) would like
　　24. It is requested that every student ________ a paper on sustainable development.
　　A) writes 
　　B) wrote
　　C) writing 
　　D) write
　　25. Under no condition ________ alone in that large quiet house.
　　A) his mother will be left 
　　B) will not his mother be left
　　C) his mother won't be left 
　　D) will his mother be left

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