What should we do now, Mr. Clark?——Please turn to Page_____and look at the_____picture.

Wow ! Everything ______ half price. That is too great .

Did Mike finish _________ his work?— Yes, he finished it very quickly, and he did _________ work.

___ I came to the city , I was deeply impressed with its beautiful scenery .

He made another wonderful discovery, __________ of great importance to science.