When I lived with my roommates in the university, we ________ often talk into the night.

Passengers _____ fasten their seat belts immediately after taking their seats. The belts should remain buckled during the flight whether or not the “fasten seat belt” light is on.

—Mum,       I watch TV now ? —No, you        finish your homework first.

“I am astonished, my dear,” said Mrs. Bennet, “that you _____ be so ready to think your own children silly.”

If prices rise too high, the government has to do something _________ it.