-- do you like summer?-- I can swim in the river.A.Why; And B. Which; Because C. Why; Because
---Where is Tom? ---I’m not sure. He _________ football on the playground.
Seeing their teacher _______ into the classroom, they stopped _______ at once.
He can speak _______ English _______ Chinese, although he is a Japanese.
Our English teacher _____ in the office because she has gone to America.
-Why not get your ears _______? They will be nice. -As a student, I'm not _________.