After Chang’e-3 landed on the moon on Dec 14, China became the third country _________ this after the US and the former Soviet Union.
Jack is going to spend his holiday in Paris next week, _____ lives his uncle.
On top of the books ____ the photo album you’re looking for.
____ time going on, our school becomes greener and more beautiful.
He has gained ______ rich work experience there and is showing _______ great progress.
. She learnt both business and history, but she knows________of them well, though she can speak on subjects in general.