小儿各系统发育一般是()A．神经系统发育最早 B．生殖系统发育较晚 C．肌肉组织到学

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.