求这些英语题答案。。。

(1) It +be +adj. +to +do

学好英语是重要的.

It is important to learn.

(2) It +is +n. +to + do

制定这样一个计划是件怪事.

It is an odd to make such a plan. (注：odd是名词，奇怪的事的意思）

(3) It takes sb. sometime to do sth.

搞这样一个设计花了我一年的时间.

It takes me a year to make such a design.

It’s one’s turn 是按次序轮到某人了.经常构成的句型是:it’s your turn to do sth.

轮到你发言

It's your turn to give a report.

轮到我们值日了

It's our turn to be on duty.

联想:动词词组take turns 表示“依次、轮流”其后跟动词不定式。

大聚会上，大家必须轮流唱一支歌。

At the meeting, all the members have to take turns to sing a song.

Step 4 当堂练习

单项选择
（ D ）1.They haven’t packed anything

A. already B. then C. at that time D. yet

( D )2.____teenages like pop music and look forward to pop singers.

A. Mostly; meeting B.Most of; see
C. Most; meeting D.Most of; seeing

( A )3.In the last few days they ready of the concert.

A.have got B.got C.are D.are getting

( D )4.A or a man is useful when you go on a tour.

A.radio B.ticket C.towel D.guidebook

( D )5. beautiful music makes the funs execited.

A.SO B.So a C.Such D.Such a

希望能帮到你，祝更上一层楼O(∩_∩)O
有不明白的请继续追问，可以详谈嘛(*^__^*)

这么多，太难了吧