Lily doesn’t know ________ she and her friends can do to help the little boy ________ parents have left their hometown for making money.

–We can use it to chat with each other on the Internet. --Really? Will you please show me _______ it 

There are no words to describe_______ I miss my hometown.

 —Do you know _______ the Capital Museum?   —Next Friday.

—I wonder＿＿＿ like to be an astronaut(宇航员).—I don’t know, but I imagine it’s exciting.