—Who’s that boy reading in the study ? Is it David?—It __________ be David. I saw him go home just now.
---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)
—_____ do you go to the zoo with your brother? —Three times a month.
My brother usually _____ his classroom after school. But now he _____ basketball.