She took the boy _____ the hand and led him _____ the zero.
With a lot of difficult problems _________, the manager felt worried all the time.
_____ was obvious ______ the manager was waiting for LiFang to leave.
_________ he took plane, he was frightened to cry.
________,they found that he was gradually recovering.
She was so________in her job that she didn’t hear someone knocking at the door.