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1. It's very r
of you to throw away your litter like that.
【考点】
“It's+adj. (+of+sb.) +不定式”表示“(某人)做某事……”;
【答案】
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单词拼写（单句）
容易
课时演练
换一批
1. It is a ____ day. Let's go out to play basketball!
A.
sun
B.
sunny
C.
rainy
D.
rain
单选题
容易
2. —Tom, can you help me with the housework?
—Sure, but I'm ____ right now.
A.
lost
B.
busy
C.
worried
D.
lonely
单选题
容易
3. —Look! The lake is clean. I never throw litter into it.
—If everyone does this, it would be ____.
A.
dirtier
B.
thedirtiest
C.
cleaner
D.
thecleanest
单选题
普通