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

There are still__________ in the kitchen.

Did you know that there were ________ visitors in Luoguo Xiang in Beijing last week

_______achievement，last week’s ministerial meeting of the WTO here earned a low，though not failing，grade.

e to work extra hours to finish our plan,_______ the boss can’t allow us to take a day off tomorrow