题文
We don’t know ________ it next. Let’s go and ask Mr. Li.
| A．what to do | B．to do what | C．whether to do | D．to do whether |
We don’t know ________ it next. Let’s go and ask Mr. Li.
| A．what to do | B．to do what | C．whether to do | D．to do whether |
试题篮
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