The new education system is said to be _______ to the successful development of the country.
Is it John that is being scolded in the manager’s office?No. It ______ be him. I saw him on the way just now.
The question came up at the meeting_____ we had enough money for our research.
Twenty of the students will have sports, the rest ___ studying here
He is a strict but kind-hearted father, ____ the children respect but are afraid of.
She ______ behind the door in order not to be found. Two minutes later she was safe again.