__________ is known to all, China will he an ________ and powerful country in 20 or 30 years' time.
I wanted _______ you for your last letter.
He missed his mother very much and ________ crying.
I begged her not to tell anyone else, and she said she would ________.
I’ll never forget _________ you for the first time.
----It’s burning hot today, isn’t it ? ----Yes, __________ yesterday.