do me a favor, — the box upstairs.

wonder how it ________ that they made such rapid progress.

Congratulations! Among the best pictures in the competition, I found .When did you draw it—During the trip to the Purple Mountain in May, 2014.

ion is not an end, but a means to an end______, we do not educate children only for the aim of educating them

I never feel ________ when I stay with him because he is such a ________ man.