-- I saw Tom in the bookstore just now.-- No, it ______ him. He moved to the USA last month.A. mustn’t be B. may not be C. can’t be
I really enjoyed your lecture, ______ there were some parts I didn’t quite understand.
-- I'm hungry, is there any bread in the fridge? -- ______,but we have cakes. Would you like to have one?
The mobile phone has influenced people’s life a lot since it _________.
-- Chinese astronauts can also walk in space now. -- Yes, they're______ our nation.
--Where are the ______ students? --They are playing football with ______ students from Hilltop School.