We ____ last night, but we went to the concert instead. A must have studied B might study C should have studied D would study
Look at the pride on Tom's face. He to have been praised by the manager just now. (2011重庆)
It is easy to be by products promising to make you lose weight quickly.
This kind of work a high level of concentration.
“Goodbye”she said, without evenfrom the book she was absorbed in.
I have _____ all my papers but I still can’t find my notes.