题文
It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.
| A．when , that |
| B．that , that |
| C．when , what |
| D．that , what |
推荐试卷
It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.
| A．when , that |
| B．that , that |
| C．when , what |
| D．that , what |
试题篮
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