单词辩音。
从下列四个选项中选出一个划线部分发音与其他三个不同的选项。
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My mother often tells me _______ my classmates when they need.
| A．help | B．to help | C．helping | D．helps |
—Must I take the medicine every day?
— No, you______.
| A．must not | B．may not | C．haven’t | D．needn’t |
You look _______ . Do you hear the _________ news?
| A．excite: excited | B．excited: excite |
| C．excited: exciting | D．exciting: excited |
I’m sorry to keep you _______ for almost two hours.
| A．wait | B．to wait | C．waiting | D．waited |
He looks very pale. He may have _______ fever.
| A．an | B．a | C．the | D．/ |