—_____I bring my ID card with me next time?—No, you needn’t. I have copied and stored it in my computer.
The population of China_______ than_______ in Japan.
Only_______ of the students_______ passed the English exam.
-We could invite John and Barbara to the Friday night party. -Yes, _______? I'll give them a call right now.
-How much difficulty did you have_______ this problem? -_______. It's quite easy.
Yesterday morning I was just leaving_______ the telephone rang.