At that time the blacks reached a stage ________they had almost no rights at all.
| A．when | B．which | C．where | D．what |
相关试题
He was so busy. He cannot afford enough time with his son _____ he wants to.
| A．even if | B．as if | C．because | D．before |
Someone is ringing the doorbell. Go and see ____.
| A．who is he | B．who he is |
| C．who is it | D．who it is |
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