Jack Chou will give a concert at theCity Stadium on Sunday evening—- Where did you ____ that

It’s traditional in China to firecrackers on Spring Festival. —-But the serious smog（雾霾）nowadays needs us to stop it.

It’s not highly recommended that a dictionary be at hand when English learners _____ some new words. [ ]

Have you been working in this company since graduation? — NoI _______ in another company for two years[ ]

I wonder if she will show up at the concert.— She will.She is only too________to watch the famous conductor. [ ]