1．—Could you help me with my homework，Dad？________
—Let me have a look.
A．Go on. B．It’s your turn. C．See what I mean? D．I’m stuck.
2. You _______ to town to see the film yesterday. It will be on TV tonight.
A. didn’t need to go B. couldn’t go C. should not go D. needn’t have gone
3．I hold it in my hands as if holding all the lives in the world，________what to do with it.
A．didn’t know B．not knowing C．not having known D．not know
