Get your mouth closed.

get sb. to do sth. 使某人做某事

I got him to call Jim yesterday.

（4）( 逐渐) 变得…...

The weather gets warmer and days get longer .

Why did the teacher get angry ?

2. how about/ what about  后跟名词/代词/动词ing形式。

（1）向对方提出建议或请求

 How about going out for a walk?

How about something to eat?

（2）向对方征求意见或看法

 How about the TV play ?    

How about buying the house now ?

( 3 ) 询问天气或身体情况

 How about the weather in Hainan Island ?

 How about your parents? Are they living with yo?

( 4 ) 谈话中承接上下文

 I’m forty years old. How about you?

 I’m from Beijing. How about you?

3. receive 收到   

The girl was happy to receive many gifts on her birthday .

 receive a letter from = get a letter from =  heard from收到某人的信

I  received a letter from my parents last Sunday .

= I got a letter from my parents last Sunday .

= I heard from my parents last Sunday .

accept  接受  

He couldn’t accept our suggestions but our gifts.

She was very glad to receive the invitation.

I received an invitation to the party , but I refused to accept it .   

4. a 6-year-old child 一个六岁的孩子

6-year-old 是由“数词 +名词 + 形容词 ” 构成的复合形容词，作前置定语，修饰后面的名词child。

“数词+名词+形容词”构成的复合形容词，中间的名词要用单数形式：

a  five-year-old girl  一个五岁的女孩       

a two-meter-long ruler 一把两米长的尺子

a ten-story-high building 一栋十层高的楼房    

a two-inch-thick dictionary 一本两英寸厚的词典

5. too...to… 太……而不能 ……

too 后跟形容词或副词原形, to 后跟动词原形, 构成不定式，句子的主语与动词不定的主语不一时, 可以在动词不定式前加逻辑主语for sb。

He is too young to join the army ( 军队) . 他年纪太小，不能去参军。

The math problem is too difficult for me to work  out . 这道数学题对我来说太难了，做不出。