--- Could you tell me why I am constantly yawning this afternoon? ---Yawning ______ an indication that your body lacks oxygen and needs a rest.
Nelson Mandela, former president of South Africa, devoted himself to making the black and white equal.
As matter of fact, number of young couples who plan to have a second kid is increasing rapidly.
.— Let’s go camping this weekend, OK? — . I love getting close to nature.
—Try not to work yourself too hard. Take it easy. —Thanks. ________.
—Did you ask Tom for help? —I ________. —I managed perfectly well on my own.