Must we hand in our homework today,Miss Chen?
.You may hand it in tomorrow morning.( )
Yes,you must
Yes,you need
No,you needn't
No,you mustn't
(2014)I great progress in my English study since last year.
Great changes in my hometown recently. A.took place B. happened C.have taken place
--- What are you doing here, Mrs. White? ---I'm waiting for my son. He________ back from school.
Shenzhou X, China’s fifth manned spacecraft, ________into space on June 11. 2013.
That poor man has for three years. A. died B. been died C. been dead