Exploring ________ space is exciting, yet dangerous. There is _______need for both robots and humans for space exploration.
—Thanks for your help, but can you do me one more favor, please? — ________, Sir. What’s it then?
1. field A. pictureB. exerciseC. child D. machine 2. breath A. smooth B. thousand C. southern D. worthy 3. breakA. bread B. meat C. greatD. meant 4. floors A. yoursB. basketsC. desksD. coughs 5. stone A. opposeB. pianoC. softD. comfort
In recent years travel companies have succeeded in selling us the idea that the further we go, ______.
The organizers promise ________wins the first prize a chance to go abroad。
, I believe, and you will find the boy is very outgoing.