21.—Hey,Tom!Could you tell me the meaning of this sentence?
—Oh,______.But you can ask for our teacher.
A.it beats me B.I'm not interested in it
C.it's hard to take D.I don't know unexpectedly
22.The rescuers promised that they would issue the refugee(灾民) with goods and money______they arrive in Zhouqu.
A.as long as B.as soon as C.as far as D.as well
