题文
【原创】We don’t know ________ next. Let’s ask Mr. Zhang.
| A．what to do | B．to do what |
| C．whether to do | D．to do whether |
【原创】We don’t know ________ next. Let’s ask Mr. Zhang.
| A．what to do | B．to do what |
| C．whether to do | D．to do whether |
试题篮
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