Columbus was in search . . . . . America.

Do you always go to school . . . . . foot?

A mosquito is flying . . . . . your head.

He or she . . . . . . watching a movie now.

He is the . . . . . . . . boy in class.

No sooner . . . . . the sun . . . . . , than the birds start chirping.

The confusion . . . . . . . . the discovery of the body made everybody lose track of time.

. . . . . . she . . . . . . away yesterday?

The courier . . . . . . . . three days ago, but why haven't you received it yet?