Ⅰ.单句语法填空
1．Facebook will show information on whether you live in the same city or want to go to the same school.
2．Obviously，it was just an excuse he made to cover the fact that he hadn't done his homework.
3．What matters to museums is not how many visitors they have，but how close they are to people's daily lives.
4．I forgot how complicated these decisions can be!
5．I have no idea who will be in charge of the company when the manager is away.
6．If we want to truly understand why animals are eating plastic in the ocean，we have to think about how animals find food.
