---Have you heard of Kunming terrorist attack?---Yes, it happened ________ March 1st, 2014.
--- _________ David be the new chairperson of the Students’ Union?--- He ________ be, but I’m not sure.
--- Liu Tao has never read the book The Adventure of Tom Sawyer , _________ he?--- _________. He told me it's very interesting. He'd like to read it again.
“ ____________ you’ve made! But you should still work harder,” the teacher said to the boy.
It is careless him to make the same mistake again. I think it importanthim to be more careful next time.
--- Do you have __________ else to say for your mistakes?--- ________ but sorry.