While I was walking along the lake, I saw some fish _______ out of the water.A. jumped B. to jump C. jumping
Sam spends two hours _______ his homework every day.
He is ill. I don’t know _______ he will come to school.
—_______ do you prefer, walking or running? —I like running better.
I see Wei Han _______ English almost every morning.
I want to be a doctor when I .