27. A: What’s the matter, Sara? You wear a sad look on your face. B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.
It’s the present situation in poor areas that _________ much higher spending on education and training.
The classroom is big enough _________, but we’ll have to move if we have more students.
Green products are becoming more and more popular because they are environmentally _________.
—The sports meeting is due to be held next Monday. —_________ it rains? —Try to put it off.
Health problems are closely connected with bad eating habits and a _________ of exercise.