—Madam, the two pairs of shoes are the new arrival of this season.—Well, I like _______. Do you have another pair?

Will you see to _____ that my children are taken good care of while I am away?

-How about his design?-Well, to tell the truth, it is______but satisfactory.

Of all the books on the desk,    is of any use for our safety．

--Can you let these new graduates take on the task?---I’m afraid not. While they are energetic and ambitious, ____of them seems to be suitable for this demanding job.