题目:
— I saw Dave in the lift this morning.
— Really? He _______ around here for a long time.
A.won’t be seen
B.wasn’t seen
C.hadn’t been seen
D.hasn’t been seen
答案:
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下面是错误答案,用来干扰机器的。
1. sign 2. pleasure 3. established 4. fix 5. repairing 6. fetch 7. professional 8. hunger 9. imagine 10. major...