为你解答。
Li Yang often buys chocolate.(改为否定句)
Li Yang (doesn't) often (buy) chocolate.
We ususlly dance (on Saturday morning).(对括号内部分提问)
(When do) you ususlly dance?
I'd like to ( go your birthday party).(对括号内部分提问)
(What) would you like to (do)?
She always watches TV (in her bedroom).(对括号内部分提问)
(Where) does she always (watch) TV?
I sing happy birthday in Chinese. ( 用in English改写成问句)
(Do) you sing happy birthday in Chinese (or) in English?