单项选择 适中0.65 引用3 组卷494
He’s given an important talk on science to us, ________?(金山)
| A．is he | B．isn’t he | C．has he | D．hasn’t he |
20-21高一上·全国·课时练习
类题推荐
—You can't finish the book in less than an hour, I suppose?
—______. I won't break my promise, you know.
—______. I won't break my promise, you know.
| A．Yes, I'm sure I can | B．No, but I can |
| C．Sorry. I make you disappointed | D．However, I've tried my best |
It’s the first time that he has been to Australia, _______ ?
| A．isn’t he | B．hasn’t he | C．isn’t it | D．hasn’t it |
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