— Sam, can I get my umbrella back?— Oh, I am very sorry. I ___________ it at home today. I will bring it to you tomorrow.
—Is that your father?—No. It’s my uncle, my mother’s _____.
We have four classes ______ the morning.
下列每组字母中不含元音字母的是 组。
下列字母中含有相同音素的是 。
一How are you ? 一________________.