turn down 意为"（把收音机的音量、灯等）关小、调低"，其反义词组为turn up。

这些短语中on, off, up, down都是副词，后接代词作宾语时，代词要放在副词的前面。

9.cut up

【用法】cut up 意为"切碎"，是由"动词+副词"构成的动词短语，代词作宾语时只能放在中间，名词作宾语时既可放在其中间也可放在副词up的后面。

10.one more thing"还有一件事"

【用法】基数词+more+名词，意为"再，又，还......"=another+基数词+名词

【例句】Two more apples=another two apples

11.fill

【用法】强调动作：fill...with...把...用...装满；fill...into...把...装入...

【例句】1. The farmer fills the bag with corn.

2. He filled the books into the boxes.

强调状态：be filled with...装满了......=be full of

12.cover

【用法】n.覆盖物，盖子；封皮the cover of the book v.覆盖，盖上

cover...with... 用...盖上...，强调动作：Cover the dish with newspapers.

be covered with...被......覆盖，强调状态：The outside is all covered with snow.

13.serve

【用法】v.服务，接待，提供 serve ...（to sb.）（给......）提供......=serve sb. (with) sth.

【例句】The hotel serve the guests (with) breakfast.

1、How many bananas do we need?

【用法】how many意为"多少"，后接可数名词的复数形式，用来提问可数名词的数量。

【例句】1. -How many books do you have?

-About 50.

2. How many monkeys are there in the zoo?

2、How much yogurt do we need?

【用法】how much亦意为"多少"，询问不可数名词的数量，后接不可数名词；how much还可以用来提问价格。

【例句】1. How much milk is there in the cup?

2. -How much is the coat? -80 yuan.

【语法点学习】

（一）祈使句

含义：用来表达请求、命令、警告、禁止等得句子，以动词原形开头。