Honey,how are you feeling now?
I am much better,Mum.So you ________ take me to see the doctor.( )
can't
mustn't
needn't
couldn't
I still remember my first teacher __________ we haven’t seen each other for many years.
They have been friends __________ they were at primary school.
I’ll go to visit my uncle in England ________ the winter holidays start.
The mobile phone has changed people’s life a lot ________ it was invented.
Getting enough sleep is good for _______ health _______ study.