选词填空(共9小题：每题1分，满分9分) be bound to;  pay off;  cast down;  team up with;  keep up; out of the question;  be dying to;  take in;   in vain   小题1:Tom works hard as usual and it has_______. He got the first in the final. 小题2:The marriage based on money ___________ break up. 小题3:She was ________ by her husband’s sudden death and the loss of her pet dog. 小题4:It is a 79km round-trip that ________ all the famous tourist spots. 小题5:Both class 3 and our class won’t be able to finish the work unless we _____ each other. 小题6:We should _______ the good customs. 小题7:He is now so tired that to walk another mile is _________. 小题8:The students ________ know the result of the interview in the classroom. 小题9:The girl tried _______ to catch the butterfly on the flower.