题文
It was nearly an hour __________ the sleeping pill __________ effect.
| A.when; took | B.before; took |
| C.since; takes | D.before; would take |
推荐试卷
It was nearly an hour __________ the sleeping pill __________ effect.
| A.when; took | B.before; took |
| C.since; takes | D.before; would take |
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