1、if she ____ it for me, i should be very much obliged. a.had done b. would do c. does d. has done 2、____ for the timely investment from the general public, our company would not be so thriving as it is. had it not been b. were it not c. be it not d. should it not be 3、you can arrive in beijing earlier for the meeting ____you don’t mind taking the night train. a. provided b. unless c. though d. until 4、____ both sides accept the agreement ____ a lasting peace be established in this region. a. only if, will b. if only, would c. should, will d. unless, would
