摘要： You should understand the traffic rule by now. You’ve had it often enough. A. explaining B. to explain C. explain D. explained
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You should understand the traffic rule by now. You’ve had it _______ often enough.
A. explaining B. to explain C. explain D. explained
查看习题详情和答案>>You should understand the traffic rule by now. You’ve had it ________ often enough.
| A．explaining | B．to explain | C．explain | D．explained |
You should understand the traffic rule by now.You’ve had it ________ often enough.
A．explaining? B．to explain
C．explain? D．explained
查看习题详情和答案>>