My mother has not yet recovered from the illness, but she is __________ getting better.

. John hadn’t been able to quit smoking at once; he had to control his smoking desire      .

  -----When will they come back? 　　-----I _____ don’t know.

---How do you think of his plan? ---I was not a bit surprised, for I had fully expected _____.

 The problem is not _______so easy as you think. It’s far from being settled.