The first decade in the 21st century is the one ______ many significant advances are made in China.
I found him sitting in his chair,completely____ a magazine.
“How can we go outing in this kind of weather!”! Bob said,________ out of the window.
It’s cold in here. We must have the fire day and night.
--Can I tell my best friend about it? ---No. I don’t want anyone else to know. You _________ let it out.
--May I remind you that Mr. White is waiting outside, Mrs. Green? ---Oh, I _________ all about it.