I was so familiar with him that I recognized his voice _____ I picked up the phone.
| A．as | B．after | C．the instant | D．while |
________her home, Mary helps her mother with some housework.
| A．As soon as she returns | B．On arriving |
| C．After she gets | D．Immediately she reaches |
They often _______their friends at weekends and they always have a good time.
| A．envy | B．interest | C．entertain | D．encourage |
Do you think everything _______was true?
| A．what he said | B．he said | C．which he said | D．as he said |
It was Tom and his friends that________for the serious accidents.
| A．were to be blamed | B．was to be blamed | C．were to blame | D．was to blame |
He was reading a very interesting story, completely_______himself in the story.
| A．lost | B．being lost | C．to be lost | D．losing |