The children all _______ sadly at the broken model plane and _______ quite sad

I ____to go for a walk, but someone called and I couldn’t get away.[ ]

I’m wondering what is Bob doing now in New York.—Let’stouch with him and find it out. [ ]

We are worried about Tom Why hasn’t he come back—Don’t worry He ______ in a traffic jam

What do you think of Zhang Qiang?—does he study hard in school,does he keep the school rules.