is known to us is that the 2016Olympic Games will be held in Rio de Janeiro, Brazil.

Jack wasn’t saying anything,but the teacher smiled at him___he had done somethingvery clever.[ ]

There’s growing unrest among the poor and unemployed. The media points out that it’s the government thatshould have a lot to _____.

.—Susan, what are you talking about?—-_____I can finish writing the report on time

May I go swimming now— No, you ______. You must finish your homework first.