D
情態(tài)動詞被動語態(tài)： must be + 過去分詞
從 every year 每年,一般現(xiàn)在時,排除B 一般過去時的被動語態(tài)
祝你學(xué)習(xí)進(jìn)步,更上一層樓! (*^__^*)
不明白的再問喲,請及時采納,多謝!
To protect the environment,more trees _____ in our country every year
To protect the environment,more trees _____ in our country every year
A plant B were planted C be planted D must be planted
A plant B were planted C be planted D must be planted
英語人氣：506 ℃時間：2020-03-11 17:44:37
優(yōu)質(zhì)解答
我來回答
類似推薦
- our country needs more ( ) (law) to protect the people.
- 1、This makes us pay more attention to our Environment and the need to protect it.
- How to protect our environment
- Protect Our Environment
- 題目為the environmental problems in our country的作文,between 200 words and 300 words.thanks
- 一元一次方程x2+（2m-1）x+m2=0,有兩個實(shí)數(shù)根x1,x2 （1）求實(shí)數(shù)m的取值范圍 （2）當(dāng)x12-x22=0時,求m
- 城市污染對人類有何危害
- ______ a lot of books,the boy knows much more than the boys of his age.
- Lucy often does her homework at school改為一般疑問句
- 我父親似乎很高興.My father ___ ___ ____ happy.
- much to 和 many 區(qū)別
- You are my little little apple~誰會翻譯吶
猜你喜歡
- 1描寫霧海 的四字詞語
- 2填空1：he always gets to school by s( ).2:it is ten minutes h( ) from my home to school
- 3我國唯一注入北冰洋的河流是哪條河流
- 4就是做題時候在化學(xué)式下方量的書寫方法.1：1的含義、
- 5將50mL4mol/L的AlCl3溶液與4mol/L的NaOH溶液反應(yīng)后得沉淀7.8g,所消耗NaOH溶液的體積為多少mL?
- 6幾個數(shù)的最大公因數(shù)是最小公倍數(shù)的（）數(shù),幾個數(shù)的最小公倍數(shù)是最大公因數(shù)的（）數(shù)
- 7需要英語的春節(jié)短語!
- 8酸根離子指什么?
- 9求解軌跡問題
- 10設(shè)f（x）=ax^2+bx+c（a≠0） ； 若f（x+1）=f（-x）,求證-b/2a=1
- 11英語翻譯
- 12怎么做啊?要過程.某電視機(jī)廠某型號電視比去年增產(chǎn)40％,實(shí)際比計劃多生產(chǎn)20％,此型號電視今年實(shí)際產(chǎn)量是去年的（ ）％?