题目内容
It is I ____ singing in the garden.
| A.who are | B.who is | C.that am | D.that is |
C
强调主语(指人)时,引导词可用that或who,谓语动词必须与所强调的主语保持人称和数的一致。
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题目内容
| A.who are | B.who is | C.that am | D.that is |