—Is the Maths problem ______? —Yes. I can work it out ______.
| A．easy; easily | B．easy; easy |
| C．easily; easy | D．easily; easily |
—Is the Maths problem ______? —Yes. I can work it out ______.
| A．easy; easily | B．easy; easy |
| C．easily; easy | D．easily; easily |
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