29. Not _______ when and where we should meet, I telephoned
our monitor for detailed
information.
A.know B. knew C. known D. knowing
a's first astronaut
Yang Liwei with his Shenzhou-V
spaceship succeeded ______ returning to the earth _________ October 16, 2003.
A.on; on B. in; in C. on; in D. in; on