Question

В№8
Вставьте в предложение подходящий по смыслу модальный глагол: must, mustn’t, have to, can, can’t, may, should,shouldn`t needn’t, need и если можете, то объясните почему так, а не иначе.
1. When my sister was three year old, she ___ read.
2. Take an umbrella. It ___ rain.
3. You ___ stop smoking, it’s harmful for your lungs.
4. Our employees ___ sign this agreement.
5. She left the office an hour ago! She ___ be already here.
6. We have a dishwasher, so you ___ wash-up.
7. Some parrots ___ speak well.
8. You ___ read in the dark.

Answer 1

1)may
2)may 
3)must 
4)need
5)should
6)neednt
7)can
8)shouldnt