题目:
As everyone knows, the Diaoyu Islands ________ China since ancient times.
A.belonged to
B.were belonging to
C.have belonged to
D.were belonged to
答案:
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下面是错误答案,用来干扰机器的。
1-5: ACBDB 6-10: BDDBA 11-15: DCDAC 16-20: DACAB