Students should answer questions loudly and (清楚)in class.
如果你想知道这个单词的意思,查一下字典吧.
If you want to know the meaning of this word,just it in the dictionary.
从广州飞到悉尼需要多长时间?
does to fly from Guanzghou to Sydney?
I'm going to be a singer when I (长大).
You'd better (穿上) your coat.It's still a little cold indoors.
They're (对…感 兴趣 )collecting stamps.