---______has Tom been a doctor?-----Since two years ago.
---Miss Hu, I have trouble __________ grammar and __________ the text.
His doctor had advised him ___________ smoke, and later his mother made him ________ buying more cigarettes.
---How was your weekend? ---Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.
请指出下列单词的重音位置与其它单词不同的选项。(共 5小题,每小题0.5分)
请指出下列单词划线部分发音与其它单词不同的选项。(共5小题,每小题0.5分)