--Sorry, I have to _________ now. It is time for class. --- OK, I’ll call back later.
The visitors here are greatly impressed by the fact that_______ people from all walks of life are working hard for_____ new Binhai.
It was required that the tall building _______ at present because it is still new.
This box is so heavy that he cannot lift it. ________, he is only a ten-year-old child.
In this country, coal electricity.
Mike along with his mother _______ to blame for the mistakes they had made.A. is B. was C. are D were