The old rules have to be ______ because they only applied to the circumstances that existed when they were made a hundred years ago.
If you leave the club ,you will not be ______back in .
____ a letter from her parents, Lily is now looking forward to ___ from them. A Having not received; hear B. Not received; hear C. Not having received; hearing D. Receiving not; hearing
I can’t imagine_____ that with such a famous author.
---You were brave enough to raise objections at the meeting. ---Well, now I regret ____ that. A. to do b. to be doing C. to have done D. having done
Unless ___ to speak,you should remain silent at the conference.