To see is to believe/To work means to earn a living.
His wish is to buy a luxurious car in the near future./The boss's plan is to start building the skycraper immediately./What I want to say is to get rid of the plan forever.
11)The function of Louis Sullivan's architecture was providing[A]large uninterrupted floor areas<B>and to allow ample light[C]into the interior[D].
12)The most important[A]thing is negociate<B>with them about[C]the future of[D]the plant.
3、因为不定式所修饰的名词是不定式的宾语，所以如果不定式动词是不及物动词，那么就要在动词后加上相应的介词He has a lot of trifles to deal with./I had got no place to live in./That girl has nothing to worry about./the subject to concentrate on./He has a strict teacher to listen to./She has four children to look after./She had a sick mother to live with./This is the very person to sell your ticket to.
18)Although the lecture had already been on for five minutes,I still was not able to find a chair.
[A]to sit<B>for to sit on[C]to sit on[D]for sitting
19)During[A]the 19th century scientists found<B>that when certain parts of the brain were damaged[C]men lost the ability doing[D]certain things.
20)What is new,however,is the scientific attempt whether other planets beyond our own have given birth to advanced civilizations.
21)Surely her daughter would make an even bigger effort her?
[A]please<B>pleased[C]to please[D]having pleased