—My cousin is good at all his subjects at school, but he never ________.—What a ________ boy! We should learn from him.
It is well known _______ all people that Beijing is known _______ the capital of China.
It was her ___________ performance, but the memory was ____________.
–Why did Miss. Wang look so worried when we saw her. --Because she wondered ______________________.
The time he has devoted in the past years _____________ the disabled is now thought to be ________ great value __________ him.
Many boys and girls are forced ____________ what they have ____________.