-- I can't find David. Where is he?
-- He ________ for tomorrow's competition at home.
A. prepares B. is preparing C. has prepared D. prepared
Smile to the world, ________ the world will smile back to you.
A. nor B. but C. or D. and
-- ________ can you finish this English examination?
-- In about one and a half hours.
A. How far B. How often C. How soon D. How long
-- Would you like some milk?
--________.
A. Yes, please B. The same to you
C. Help yourself D. My pleasure
You __ drive your car so fast. It's very dangerous.
A. wouldn't B. shouldn't C. couldn't D. mightn't
假定上周六晚上，你们全家在一家饭店就餐。请你根据以下要点提示．用英语写一篇短文，描述事情发生的经过，并适当加以评论。
要点提示：
(1)邻桌年轻人大声说笑、吸烟。
(2)你请他们不要那样做。
(3)他们不听，反而嘲笑你。
(4)你认为：①他们在公共场所那样做是不对的。
②年轻人是天津的未来，应该……
参考词汇：嘲笑laugh at
要求：
(1)词数：80～100个。
(2)短文开头已给出，不计入总词数。
(3)要点齐全，行文连贯，可适当发挥。
Last Saturday evening, all my family had dinner in a restaurant. ____________________
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