One-third of the area _____ covered with trees. About seventy percent of the trees _____ been planted recently.
So quickly are science and technology advancing ____ is a possibility today may be a reality tomorrow.
— I find it astonishing that John ____ be so rude to me. — Not astonishing at all. He is always rude to others.
— Go and see who is making so much noise. — ____ the children.
Only through ____talks can we build trust and only through cooperation can create ____ win-win economic situation.
I really don’t know _______ I put my wallet.