- Someone is knocking at the door. Is it Ann?- It_______ be her. She is giving a performance at the theatre now.
Great changes in my hometown recently. A.took place B. happened C.have taken place
As Chinese teenagers, we should remember the past ,live the present and dream the future. A. on , about B. in , about C. in, in
He is busy ,he still does sports every day. A. Although , / B. Although , but C. But, /
-- I have been to Australia. -- So I. A.am B. did C. have
-- There is some soup on the table,? A.is it B. isn’t there C.there is