______ are my baseballs—– Look! They are under your bed.

uncertain ______ side effects theseweight-loss drugs will bring about, although hundreds of thousands of patientshave taken it

______ is reported in the newspapers,talks between the twocountries are making progress.

Not until I came home last night ________ to bed.

Lu Yao is a famous_______. The Ordinary World is one of his great books.