Year 3 Students in our school _______ all kinds of exercises every day in the past eight months.
A. kept busy doing B. keep busy with doing
C. were kept busy doing D have been kept busy with
推荐套卷
Year 3 Students in our school _______ all kinds of exercises every day in the past eight months.
A. kept busy doing B. keep busy with doing
C. were kept busy doing D have been kept busy with