Multiple choice. （5分）1. He mustn’t________ a car _________.

－What’s your brother doing on his next day off －He’s __________. He loves the nature in the beautiful countryside.

Sorry, I can’t work out this problem. —Try again, please. It’s only ______ difficult.

Xiao Ming ，can you pass the final examination tomorrow— I think it’s a piece of cake.

Where ______ you ______lunch—At home.There was no school lunch.