Lucy had few close friends. So she didn’t know ________ about the trouble.

h noted that US media are focusing on Xi’s upcoming state visit, from Tuesday to Friday, _______ Xi’s exchanges and interactions with all walks of life there.

They are organizing a program to ________people’s attention to protecting wild animals.

There ____ some meat in the fridge, so you don’t needto buy any.

____________ you study , _______________ grades you’ll get.