题目内容
Not until the stadium of Bird’s nest was completed in the end ____back to their normal position.
| A.did our hearts got | B.did our hearts get | C.our hearts went | D.our hearts did get |
B
考查倒装。Not until放在句首时,主句要部分倒装,所以选B。A项错误是因为助动词did之后要用动词原形。
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