_____ in the book he was reading on the way, the boy was almoat knocked down by a car.A Having absorbed B being absorbed C Absorbed D to be absorbed
Jack is late again. It isof him to keep others waiting.
Jack, who pretended, heard, however, every word that was said.
The old man __________ in Tibet for two years as a volunteer teacher;it is an experience he often mentions.
Qian Xuesen tried many times _________ he found the solution to the puzzle about space technology.
Thosethe exam cheat mustanother exam tomorrow afternoon.