It’s wrong for a student to follow _____his teachers say —- It’s true I can’t agree _______

Why didn’t you chat with that friendly foreigner just now?— I’d like to, but the trouble was ________ he said was difficult for me to understand[ ]

Our classroom is tidy because it ____ every day.

．Only when Tom fully recovered___________bgone D．he had gone

When I was a child, my teacher told me that the earth ______round the sun