I'11go for a picnic if it _____tomorrow.Will you go with me?
Yes,of course.( )
A.doesn't rainB.isn't raining
C.won't rainD.didn't rain
(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