There is ________"U" and ________"A" in the word "umbrella".
A. a：an B. an; an C．an; a
---Peter, is this your pen?
---Yes, it's ________. Thanks a lot. I looked for it everywhere.
A. mine B. me C．I
Jack usually goes fishing ________ Sunday morning.
A. at B．on C. for
---Ken, whose book is that? ---It's ________.
A. Miss Hu's B. The twins C. Helen
从下面方框中选出与下列各句中划线部分意思相同或相近、并能替换划线部分的选项。（共4小题，每小题1分，计4分）
A. want to know B. did well in C. will take car e of D. can’t find the way |
1.He was good at math when he was in Middle School.
2.I really get lost. Please tell me where the post office is.
3.I wonder why Chengdu is so attractive.
4.Sally is going to look after her mom in two days.
你在美国的笔友Sam 二月份要来北京游玩，他向你了解北京有哪些地方可参观。请根据要求用e-mail向他作介绍。
词数100左右。开头已给出，不计词数，尽量用上以下提示词
提示：capital, tourist attraction, the Forbidden City, the Imperial Palace, the Summer Palace, spend summer time, Beihai Park, the Great Wall, one of the seven wonders, be proud of
