Decide which word is correct

You _____ better hurry, the train leaves in ten minutes.
1. Should
2. must
3. had
______ I have some more tea, please?
1. Could
2. shall
3. will
4. would
Everyone`s asleep. We ______ make a noise.
1. Couldn`t
2. mustn`t
3. needn`t
4. wouldn`t
________ you like to go for a ride with us?
1. Do
2. should
3. will
4. would
You ______ take an umbrella, it might rain.
1. Can
2. shall
3. had better
I`m quite happy to walk. You _____ drive me home.
1. Don`t
2. haven`t
3. mustn`t
4. needn`t
______ I show you the way?
1. Do
2. shall
3. will
4. would
I think we _____ better go now.
1. Had
2. should
3. must
4. have