The children ____ very quiet;I wonder what they ____ up to.
______ down on the ground, he struggled to his feet and held up his head, _______his enemy.
----Can I look at the menu for a few more minutes before I decide? ----Of course. ______, sir.
Premier Wen advocated school bus safety_______.
He was ________ after winning the competition.
Can you give me a case ____ this phrase can be used?