I’m sorry. I’m late for the music presentation.— Why are you so late? The presentation _______ for 10 minutes.

Raising children is said to be a job _______ parents receive the least formal training.

Do you have enough students to clean the laboratory? –No, I think we need____________ students.

What did they __________ about the competition?– A great success.

I ______ the film if I’m free next Sunday.