---Do you know what presents they will buy for our teachers on Teachers' Day?---No, they keep the secret to __________.
Tom is ______ English teacher in our school. He has ______ new bike. He likes ______ bike very much.
下列各组单词中,画线部分发音不同于其它三个的单词是______。
含有相同音素的一组字母是______。
I often ________ on weekends.A. go to movieB. go the moviesC. go to the movies
My mother isn’t in, I must ___ my sister at home.A. look at B. look after C. look up