“Each of the students, working hard at his or her lessons,_____ to go to university.” —-“So do I.”

acts, scientists have thatmore energy is being absorbed from the sun, throwing the earth’s energy “out ofbalance”

n complain, but I doubt _____ it’llmake any difference.

The boys are not doing a good job at all, are they—_____________.

Some special projects are ________ to protect ourenvironment, so we may be _____ to having a clean and beautiful home in thenear future.