When the audience heard the alarm, they all hurried to they thought was an emergency exit door.
—Li Feng won the first prize in the national English competition. —Oh,really?I’m glad that her efforts at last________.
She owes her success________good luck more than ________ability.
Who do you think is the right person to ______the task?
While traveling in Sichuan,you can’t miss________people call “The National Treasure”—Giant Panda.
—You see,I’m poor in maths,you are not good at English,and... —That’s________we should help each other.