题文
—I want to know ____ the machine.
—It's easy. Let me show you.
| A.what I can use | B.how I can use |
| C.what can I use it | D.how can I use it |
—I want to know ____ the machine.
—It's easy. Let me show you.
| A.what I can use | B.how I can use |
| C.what can I use it | D.how can I use it |
试题篮
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