Which of the following infinitives（不定式)expresses REASON？A．He searched the room only to

Which of the following infinitives functions as an if-clause？A．To be a good citizen, one m

Which of the following infinitives（不定式)indicates CAUSE？A．She wept to see him in that co

Which of the following infinitives（不定式)functions as an adverbial？A．Her chief desire is

Which of the following statements is true of the

Which of the following was a disadvantage of the

Which of the following was a disadvantage of the