The Great Wall is so good a place ________many foreign people come to visit ________ it has become well known all overthe world.

Wehave strong ________ for believing that the newly-invented material is not onlypopular but also a monument to the eco-friendly lifestyle.

Next to biology , I like physics ________

_______ do you do your homework —Every day.

Are these his notebooks —No, ________ aren’t.