Tick bites（蜱虫叮咬）are reported _______ in 12 provinces and claimed 31 lives since 2007.
| A．to break out | B．to have broken out |
| C．to be broken out | D．to have been broken out |
32. ---What can I do for you ?
---_______you see Mr. Black, give him my regards.
| A．Had | B．Shall | C．Would | D．Should |
31. To our surprise, they decided to________their differences and try to face the coming global problems together.
| A．give away | B．take up | C．put aside | D．bring down |
30.________some English-learning websites if you are free, and you will learn a lot about how to study English.
| A．Having visited | B．To visit | C．Visiting | D．Visit |
29. My father, who values honesty__________all things, never allows us to tell lies.
| A．within | B．despite | C．throughout | D．Beyond |
28. It is only when agriculture is fully developed___________industry can have abundant materials and markets.
| A．that | B．when | C．before | D．Until |