— Where is John? — He _____ in the library.
Don't spend time beating on a wall, ________ to change it into a door.
The waiting lists for a bed in a public elderly care home in Beijing have grown ________ long that some are saying it could take 100 years to get a position.
We could not reason out the way the robbers escaped,because we were unable to find any ________ of them.
—We are going to be late, Mary. Do you have the time?—________.
Everybody knows about it now! But no one knows ________ once prevented the rumor from spreading.