20.—Is that Dec. 21, 2012 is the end of the world true? —Definitely not, but________must be paid to the global climate change.
Thepupilshere_____allkindsofexerciseseverydayinthepastfewweeks.
He______andwasmadetorepeatit.
Thethief______whenhewasstealingawalletfromawoman.
He_____inashowerlastnightandgotwetthrough.
Theteachertoldthestudentsthatthey______tobeusefulmentothecountry.