-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.
—Is the boy in white clothes your friend, Kangkang? —No. ____ in black clothes is.
找出画线部分读音与其他三个不同的选项。
—What class are you in? —I’m in ____, ____.
—____ your sister know Tom? —No, she ____.
—Hi, Lucy. Your skirt is very nice. —____