Our classroom ____ every day.△△△丶Our classroom ____ every day.A.must clean B.is clean C.must be cleanD.must be clean▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、1.Mr Wang enjoys ____ by air(t

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Our classroom ____ every day.△△△丶Our classroom ____ every day.A.must clean B.is clean C.must be cleanD.must be clean▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、1.Mr Wang enjoys ____ by air(t

Our classroom ____ every day.△△△丶Our classroom ____ every day.A.must clean B.is clean C.must be cleanD.must be clean▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、1.Mr Wang enjoys ____ by air(t
Our classroom ____ every day.
△△△丶Our classroom ____ every day.A.must clean B.is clean C.must be clean
D.must be clean
▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、
1.Mr Wang enjoys ____ by air(travel)
2.If it ____ tomorrow .I will go out.(rain)
3.Mary______ English for six years (learn)
= = = = =
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Our classroom ____ every day.△△△丶Our classroom ____ every day.A.must clean B.is clean C.must be cleanD.must be clean▲▲▲丶这道不是选择题是根据句意写出句子中空缺处单词的正确形式、1.Mr Wang enjoys ____ by air(t
1.traveling.首先来看第一题,enjoy doing sth 是固定短语.
2.rains.if 引导的条件状语从句在初中阶段涉及到一个原则就是主将从现.主句将来时,从句现在时.
3.has learnt/learned.首先看时间状语是for six years,表明是持续的一段时间.这样的时间状语是完成时态的标志词.确定了时态,再看主语,主语为第三人称单数,因此助动词have要用其单数has的形式.

怎么C跟D的答案是一样的,要我就填must be cleaned
1 travelling
2 doesn't rain
3 has learnt

B 指每天都很干净 (系表结构)
1.Mr Wang enjoys __travelling_ by air(travel)
enjoy 只能接doing sth 喜欢干什么
2.If it __rains__ tomorrow .I will go out.(rain)
主将从现 从句用一般现在时表将来
3.Mary__has learned__ E...

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B 指每天都很干净 (系表结构)
1.Mr Wang enjoys __travelling_ by air(travel)
enjoy 只能接doing sth 喜欢干什么
2.If it __rains__ tomorrow .I will go out.(rain)
主将从现 从句用一般现在时表将来
3.Mary__has learned__ English for six years (learn)
for 短语常和完成时连用, 这里指”玛丽学了六年英语了“ 用现在完成时

收起

B
traveling
rains
learn

3.Mary (has been leaning)English for six years。
过去完成进行时,表示学习英语已经六年了,并且可能还将继续学习下去。

选D我们的教室每天必须是干净的