5.Mark Zuckerberg the Facebook website in February of 2004.It is very popular now.( )
| A. | set up | B. | set off | C. | got up | D. | got off |
4.The math teacher got angry with me when I did not him in class yesterday.( )
| A. | look for | B. | take care | ||
| C. | pay attention to | D. | fall asleep |
3.Dad,you have worked for three hours.Stop and have a rest,please.( )
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| A. | to work | B. | working | C. | work | D. | works |