It is _______ he often fails in exams ______ makes his parents worried about him.
The eyes react______light,as everybody knows.
---Can I ask you a personal question? ---________.
As is known to all,the water in the sea______much salt.
The new hotel built a few months ago is large enough to over two hundred people.
—Does Lisa buy a new coat?—Yes,In face, it is quite similar yours.