_________, I guess, and you can make it.
| A．If you make more efforts | B．Making more efforts |
| C．A bit more efforts | D．To have made more efforts |
The most impressive sites of Chishui Danxia are its various waterfalls, ________ the Shizhang Waterfall is the largest one.
| A．for which | B．in which |
| C．from which | D．of which |
Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.
| A．where | B．which |
| C．that | D．what |
After visiting Harbin, most of the foreign friends said they would never forget the time ________ they had spent.
| A．that | B．what |
| C．when | D．at which |
My favorite writer is Mo Yan, some of ________ novels have a surprising ending.
| A．whom | B．his |
| C．whose | D．which |
A lot of lovers chose to get married on Dec. 12, 2012, ________ the date, the month and the year match.
| A．that | B．on which |
| C．in which | D．which |