I ________ the room yesterday, so it is not dirty today.
___ crying sadly, he raised his head and let tears stream down his face on purpose.[ ]
Most of the students in our school adore ______ tothe cinema.
Never give up! I am sure you will succeed. —– But I don’t know _________________ .
___________ good news! The 31st Olympic Games will ___________ on August 5th, 2016 in Rio de Janeiro(黑约热内卢).