The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
- Let's go shopping after school.-________Call for me at any time.
— My brother will go to America for further education this summer. — _________ Actually, we have many good universities here at home.
_________ parents’ complaints, some cities have significantly cut school hours to give children more time for leisure and play.
________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
Misunderstandings _____ from lack of social communication, unless _____ with properly, may lead to serious problems.