They lost their way in the forest, and ________ made matters worse was that night began to fall.
A. it B. which
C. that D. what
（题文）It may rain, but ________ I shall go out; I don’t mind the rain
A. anyhow B. however
C. whatever D. somehow
Large quantities of information, as well as some timely help ________ since the organization was built.
A. has been offered B. has been offered
C. have offered D. have been offered
Briggs will ________ as general manager when Mitchell retires.
A. get away B. take over
C. set off D. run out
It is widely accepted that parents should raise their children more by ________ than by anything else.
A. contrast B. force
C. example D. nature
假设你是李华，你的朋友Tom邀请你下周去他们学校参加文化交流活动并向外国朋友介绍中国的传统绘画。但你忙于准备期末考试，不得不谢绝邀请。请根据下面的要点用英语写一封信：
1. 谢绝邀请；
2. 说明理由；
3. 推荐朋友Mary参加，并说明原因。
注意： 1. 词数100左右；
2. 可以适当增加细节，以使行文连贯；
3. 信的开头和结尾已为你写好（不计入总词数）
Dear Tom,
Thank you very much for your invitation.
_________________________________________________________________________________________________________________________________________________________________________________________________________________________
Li Hua
