—I’m afraid the project may be several days behind schedule due to bad weather.
—Don’t worry. Three more assistants will be _______ in no time at all.
A. at your convenience B. at your command
C. at your risk D. at your request
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
假设你是李华，你国际学校的朋友Paul邀请你下个星期天去他们学校参加文化交流活动并介绍中国传统绘画 (traditional Chinese painting), 但是你的爷爷生病住院，不得不谢绝他的邀请。请根据下面的要点给Paul用英语写一封回信。
要点： 1. 谢绝Paul的邀请；
2. 说明你的理由；
3. 推荐你的同学Anna参加。
注意： 1．词数为100左右；
2. 可以适当增加细节，以使行文连贯；
3. 信的开头已为你写好（不计入你所写词数）。
Dear Paul,
Thank you very much for your invitation.
Yours,
Li Hua
