Barack Obama delivered a speech to 500 local youths during his visit to China, many of _______ were from Fudan University and Tongji University.
Good shoes, clothes and a backpack are the basic ________ you need for your hiking.
The Australian boy has a good ________ of Chinese and can express himself freely in it.
—How can I use the equipment?—Well, just refer to the ________.
—Do you know why Jane was so angry?—Her roommate gave in to ________ and opened the letter addressed to her.
In my brother's absence, I would like to thank all concerned on his ________.