Do you. know_______lady in red 一Yes. She is a teacher of a university.

It is commonly assumed that thegrowth of GDP and the development of people’sliving conditions are not _______cause and effect

Do you know ________ she went to the movie last night —Onfoot.

Is there any________to the time that I canstay here—Yes，you must leave here before he comes back.

All added up, there are now only ten students in the mountain school, but ten years ago there were .