_________ a lot of troublesome affairs to deal with,our boss doesn't have any time to spend holidays.
| A．Thanks to | B．For | C．With | D．In case |
I _______in Changsha for several days last year. The city, especially people’s love for spicy food, has left a deep impression on me.
| A．has been | B．had been |
| C．stayed | D．was staying |
On October 11 , 2013, Mo Yan, 57, became the first Chinese writer ________ the top literary prize — Nobel prize.
| A．to win | B．having won |
| C．winning | D．won |
Mary is very particular about her clothes, and nowhere ________a suitable coat yesterday.
| A．she did buy | B．did she buy |
| C．did buy she | D．she bought |
An ecosystem consists of the living and nonliving things in an area __________ interact(互相作用) with one another.
| A．that | B．where | C．who | D．what |
Welcome to our hometown--- Liuyang. There are many places worth _________, such as Dawei Mountain, Tansitong’s Birthplace and Confucius Temple .
| A．to visit | B．visiting |
| C．visited | D．to be visited |