— Is there any possible way to help the children get rid of such a bad habit?
— To be honest, it’s very hard, but we ______on this problem


  1. A.
    work
  2. B.
    worked
  3. C.
    are working
  4. D.
    were working
C
考查時(shí)態(tài)，句意：有什么可能的方法幫助孩子們擺脫這種壞習(xí)慣嗎？說實(shí)話，非常困難，但是我們正在從事這個(gè)問題。根據(jù)語境從事這個(gè)問題，指的是現(xiàn)階段進(jìn)行的動(dòng)過，所以用現(xiàn)在進(jìn)行時(shí)態(tài)，故選C。
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