—Shall I inform him of the change of the schedule right now?—I am afraid you ________, in case he comes late for the meeting.
____ lack of energy, he still kept on helping the injured people.
We are worried about ____ they can be rescued.
You will never arrive at ____ is considered the Heaven on the Earth.
Materials of this kind ____ once ____ on the wall.
The Foreign Minister said, “____ our hope that the two sides will work towards peace.”