I will go to visit my aunt in England ______ the summer holiday starts.
--- Hello, Jack! How are you doing? --- _________.
--- _________ 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 important him to be more careful next time.