Persons under 16 ______ not be employed in our country．

---Your sister nearly _______ all her spare time to her study during the three years. ----That's right， or she ________ the first place in her school in the College Entrance Examination. 

. Research findings show we spend about two hours dreaming every night, no matter what we ____ have done during the day. 

I ______ to the lecture that afternoon, but I ______ a bit ill.

—Did you attend the opening ceremony of The Voice of China last week? —Sorry! We ________ it, but we had a terrible traffic accident on our way.