The conference has been held to discuss the ________of global warming on people’s lives all over the world.
I remember quite well that it ______Sue and John who helped me that morning
—We were not sure which way to go. In the end we chose to turn right. —You _______ the wrong way. You _______ left.
—Does Mr. Smith live next door to you? —No, but he _______.
______ for a long time, but he managed to catch up with his classmates at last.
I had just finished all my homework and was about to go to bed the phone rang.