题文
—Another cup of coffee?
—No, thanks. I ________ be off. My friend is waiting for me at the school gate.
| A.can | B.may |
| C.must | D.might |
—Another cup of coffee?
—No, thanks. I ________ be off. My friend is waiting for me at the school gate.
| A.can | B.may |
| C.must | D.might |
试题篮
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