摘要：-Dad, must we wait until the light becomes green? -Yes, I’m afraid we have to. That’s the ▲ rule.
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— Dad, must we wait until the light becomes green?
— Yes, I’m afraid we ______. That’s the traffic rule.
A. can B. may C. have to D. need
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---Dad, must we wait until the light becomes green?
---Yes, I’m afraid we ______. That’s the traffic rule.
A．can B．may C．have to D．need
查看习题详情和答案>>
---Dad, must we wait until the light becomes green?
---Yes,I’m afraid we .That’s the traffic rule.
---Yes,I’m afraid we .That’s the traffic rule.
| A．can | B．may | C．have to | D．need |