单项选择 较易0.85 引用1 组卷34
—Hello! Is Mr smith in the office?
—Yes, he is. But he is busy _______and can’t speak to you now.
—Yes, he is. But he is busy _______and can’t speak to you now.
| A．at present | B．at once | C．at first | D．at last |
20-21高一上·甘肃金昌·期中
类题推荐
—Hello! Is Mr smith in the office?
—Yes, he is. But he is busy _______and can’t speak to you now.
—Yes, he is. But he is busy _______and can’t speak to you now.
| A．at present | B．at once | C．at first | D．at last |
He never gave up learning English. That was why he was successful ______.
| A．at least | B．at most | C．at last | D．at first |
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