We think_____everyone's duty to protect the environment.A.that B.this C.it D./We think_____everyone's duty to protect the environment.A.thatB.thisC.it D./
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Wethink_____everyone''sdutytoprotecttheenvironment.A.thatB.thisC.itD./Wethink_____everyone''sdutytopro
We think_____everyone's duty to protect the environment.A.that B.this C.it D./We think_____everyone's duty to protect the environment.A.thatB.thisC.it D./
We think_____everyone's duty to protect the environment.A.that B.this C.it D./
We think_____everyone's duty to protect the environment.
A.that
B.this
C.it D./
We think_____everyone's duty to protect the environment.A.that B.this C.it D./We think_____everyone's duty to protect the environment.A.thatB.thisC.it D./
C,等于it is,若选A,应在duty后加is,B,根本没有这个句型,D,同B,在duty后加is
it
c it it 做形式宾语
A.that that 后加引语 引用我们想的（we think）
A
选C
it作形式宾语，真正的宾语是后面的不定式to protect the environment。
that和this都不能做形式宾语。