1.　　　 　people can live to 100,but 　　　　　people can live to 150.

2. The woman　　　 　a teacher .

maybe 是副词，意为“大概， 可能，或许”，一般用于句首。May be是情态动词，意为“可能是..，也许是..，大概是..”.

1. The baby is crying　　 　she is hungry.

20.maybe是副词，意思是“也许、可能”，在句中作状语，相当于perhaps，常位于句首。

eg:Maybe she’ll come this afternoon. 她可能今天下午来。

Maybe you put the letter in your pockets. 大概你把信放在衣袋里了。

　 在may be中，may是情态动词，be是动词原形，两者构成完整的谓语形式，与主语形成系表结构，意为“也许是、可能是”。

I can’t find my watch. It may be in your pocket.

我找不到我的手表了，它可能在你的口袋里。

He may be a soldier. 他可能是军人。

maybe和may be有时可相互转换。

He may be in the office.

= Maybe he is in the office. 他或许在办公室。

You may be right.

= Maybe you are right. 你或许是对的。

18.different:[adj.]=not the same　 be different from:与…有差异

　 difference:[n.]　　 the same as

　　　　　　 　　make a/some/little/a lot of/no difference(s)

　　　　　　　 eg:What's the difference between my book and yours?

17.help sb. to do sth.=help sb. with sth.

　 help oneself:别客气

16.look after … (carefully):留意,注意=take (good) care of …

15.try:[n.] 尝试,努力　 have a try

　　　 [v.]try doing:尝试去做(看看这种做法能否成功)

　　　　　 try to do:努力去做,尽量去做(抱着成功的信心/目的)

　　　　　 do one's try:尽某人最大的努力:eg:Please try your best to clean the floor.

14.habit:my eating habits(饮食习惯常加"s")　 Habit is second natures.习惯成自然.

　 a habit of doing sth. 做.…的习惯 eg：I have a habit of drinking milk before sleep.

　 get into the habit of doing sth. 养成做…的习惯　 eg:We should get into a habit of controling myself.

13.I'm pretty healthy.=I'm in pretty/very good health.

　 unhealthy=in poor/bad health.