The child tiptoed quietly to the bird, but into the forest when he was about to catch it. A.Flew it away B.Away flew it C.Anay it flew D.Flew away it
ack went to college last year, _______ to return home until he achieves his goal.
_______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
_______ to sunlight for too much time will do harm to one’s skin.
The bell _______ the end of the period rang, _______ our heated discussion.
The research is so designed that, once _______, nothing can be done to change it.