_ the Smiths will come or not is she is worrying about.[ ]

everything to go wrong in advance, ________ youmay feel at a loss when it does

When and where we shall bulid a larger home for the aged ________ to be discussed by the local government.

This is the first time that the Chinese woman astronaut ______ sent into space.

The teacher， together with the students, _ __ discussing Reading Skills that ______ newly published in America.