As is known to us, theory is based on practice and servers practice.
A. by chance B. in turn C. in return C. by turn
They don't feel safe in our town at night because it so dangerous. There's a robbery every week now.
| A．becomes | B．became | C．has become | D．had become |
We should bear in mind that social development and balance of nature should go in .
| A．company | B．sympathy | C．association | D．harmony |
The beautiful mountain village we spent our holiday last year is located in is now part of Guangxi.
| A．which; where | B．where; what |
| C．that; what | D．when; which |
— Why are the Woods selling their belongings?
— They to another city.
| A．had moved | B．have moved | C．moved | D．are moving |
— We would appreciate it if you could stay for lunch.
— Sorry, I . I have another appointment.
| A．won't | B．shan't | C．can't | D．mustn't |