13．假如你是李华。去年夏天，你在一家国际中学生夏令营帮忙，收获颇多。今年，你想邀请你的好友Jane一起为夏令营工作。请你根据该夏令营的招聘广告及所给内容要点写一封信，说服Jane和你一同参加。开头已为你写好。（字数120词左右）
Ding Junhui plays _______ Gary Wilson in the semifinal of the 2015 World Snooker China Open in Beijing, April 4, 2015.
| A．over | B．for | C．against | D．with |
—Mum, Dad ought to stop working?
—Yes, he has a bad headache because he _______ too long.
| A．read | B．has been reading |
| C．had read | D．is reading |
After the death of her mother, the girl was sold to a rich man just in the neighboring area, from _______ house she tried to escape twice.
| A．whom | B．his | C．whose | D．which |
It is of great importance _______ parents say and do in family life, which may have a life-long effect on their children.
| A．what | B．that | C．how | D．why |
to work on Saturdays, the employees are offered a higher salary.
| A．Expecting | B．Expected |
| C．To be expected | D．Having expected |