The mayor is happy to find that many trees _______ in our city last year.
-----What about the party ?-----Oh, Miss Liu was unhappy , She went out without ______ a word.
Would you like some bread ?----Sorry, I am not ______ .
At last we decided Betty as our monitor.
—What _______ he do last night?—He _______ out with his friends.
China is a great country ______ a long history.