问题
选择题
.
I think ___ necessary ___ a foreign language.
A．that; learning
B．it; to learn
C．that’s; to learn
D．it’s; learn
答案
答案：B
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.
I think ___ necessary ___ a foreign language.
A．that; learning
B．it; to learn
C．that’s; to learn
D．it’s; learn
答案：B
