| Only when he returned from the exchange program ________ how much he enjoyed it. |
|
[ ] |
A. he knew
B. he had known
C. did he know
D. had he known |
根据n多题专家分析，试题“Only when he returned from the exchange program ________ how much he enjoyed it.[ ]A. he knewB. he had knownC. did he knowD. had he known…”主要考查了你对 【一般过去时】，【部分倒装】 等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。
与“Only when he returned from the exchange program ________ how much he enjoyed it.[ ]A. he knewB. he had knownC. did he knowD. had he known”考查相似的试题有：
