Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
| A．when | B．for which | C．where | D．about which |
--He is so unhappy. What made him disappointed?
--It’s his plans. You can’t imagine what it’s like to feel that all your plans for the future have _________.
| A．set down | B．turned down | C．put down | D．broken down |
It is _________ he is always addicted to video games _________ makes his parents worried about him.
| A．/; that | B．what; that | C．that; that | D．because; that |
Mrs. Scott prefers a street in a small town to _________ in such a large city as Shanghai.
| A．this | B．one | C．it | D．that |
I have taken over his work, he _________ away.
| A．is | B．being | C．to be | D．be |
I _________ in a foreign trade company for three years. Still, I don’t regret giving up the job and living with my family.
| A．worked | B．have worked | C．had worked | D．have been working |