问题
No one knows exactly when ourancestors started talking, but new evidence suggests that____ might havehappened a long time ago.
A:held up
B:what
C:it
D:they
B:what
C:it
D:they
正确答案是:
同类题型
u know that Jack ______ a postman forabout six years”“Yes, I see.”
This pair of jeans looks nice Sandy because she looks very nice blue.
She knew she had to calm and still until the enemy went away from her hiding cave.
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