The schoolboy _________to the blind man on his Way home yesterday afternoon．

You mustn’t stay __________ late every day. It’s bad for your health.[ ]

Mum, may I have some cakes?——Sorry, there’s ____ left in the box. I’ll go and buy some for you tonight.

Kate is a very tall girl long straight hair. [ ]

______ difficult it is, he is determined to ______ the experiment.