题目内容
____ can be done ____ been done.
| A.All;have | B.All that; have | C.All; has | D.All that; has |
D
all that=what,AC排除。what作主语表整体,后面用has 选D
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题目内容
| A.All;have | B.All that; have | C.All; has | D.All that; has |