It is a kind of illness that can result in total blindness if ____
A.to leave untreated
B.is left untreated
C.leaving untreated
D.left untreated
第1题
A.a duck
B.a horse
C.a cow
D.a dog
第2题
A.I’m afraid I don’t know more than you either.
B.Is there anything I can do for you?
C.What exactly would you like to know?
D.How much information did you know?
第3题
A.As far as I’m concerned
B.It’s none of our business
C.We’re not to blame
D.Things are under control
第4题
A.built up
B.fallen back on
C.brought over
D.come up with
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