Humble （ ） it may be, there is no place like home.

By the time the course schedule is completed， we _____ the basic subjects of French.

The little boy saw the plane_____and burst into flames.

A loud noise （ ） my attention from cooking and everything was burnt.

When and where to hold the meeting （ ） not decided yet.

If I had remembered （ ） the window, the thief would not have got in.

—Are you （ ）? —No, I’m serious.

Ten minutes _____ an hour when one is expecting a phone call.

The two companies decided to （ ） on a project concerning animal cloning.

The authority urged the rebellious party to _____ their arms and come back to the negotiating table.

A news report is usually very short, （ ） when it is about something very important.

I have bought _____ useful reference books _____ I don’t know which one to start with.