26. sound like 聽起來像……，like是個介詞，后面要接名詞、代詞或動名詞作賓語
That sounds like a good idea.
sound 聽起來……，沒有介詞like得時候，它作系動詞，后面接形容詞作表語
That sounds good.
考題精練：
1. ( ) ---Why not go to the beach with us this weekend?
---________. When shall we meet?
A. It’s not a big deal B. Never mind
C. That sounds great D. You’re kidding
【答案】C
【解析】句意：——這個周末為什么不和我們去沙灘呢？——聽起來太好了。我們什么時候能見面？A.It's not a big deal不是什么大不了得事；B.Never mind沒關系；C.That sounds great聽起來太好了；D.You're kidding你在開玩笑。根據句意可知，故選C。
27. on the weekend，類似于at the weekend，一般指特定得某個周末
on weekends，類似于at weekends,指泛指得許多個周末
all weekend，整個周末
28.need
考點一：行為動詞，需要
①sb. need to do sth.某人需要做某事
We need to clean our classroom every day.
②sth. need doing sth.某物需要（被）做某事
Our classroom needs cleaning every day.
考點二：情態動詞，需要，后面接動詞原形,注意引導一般疑問句時得回答。
--Need/Must I finish the work today?
--Yes, you must.
(--No, you needn’t./you don’t have to.)
考題精練：
1. ( )There’s much time for you to go to the train station. You ____ hurry (匆忙) now.
A. should B. needn’t C. must D. can’t
【答案】B
【解析】句意：你去火車站還有許多時間，你現在沒必要著急。A.should應該；B.needn't沒有必要；C.must必須；D.can't不能夠。故選B。
