--Hello, is that Liu Tao? --Yes, ______.A.I am B. it is C. speaking
What class are you ____? A.from B.in
I'm ten. I'm in ____. A.Class 1, Grade 4B.class 1, grade 4
Hello, boys and girls. Nice to ____ you again. A.meet B.see
Look at the fish. A.Oh! A goose. B.Wow! What a big fish!
Who's that man? A.He's Mr. Black. B.She's my mother.