—Shall we go out for a walk?—Sorry. This is not the right ____ to invite me. I am too tired to walk.
After staying in room for weeks, the lady was advised to go to the outside world to ______ her confidence as well as health.
It ______ to me that I might try this way to deal with this problem.
—The tree is so tall. —Yes. It ______nearly 20 metres.
Most of the Europeans refuse to accept GM food ______Americans regard it as the fruit from high tech.
Not only John and Tom but also their sister, Mary, ______great interest in the piano lessons.