— I serve three meals every day and do almost everything for him, but he still fails me.— I’m sorry to say that’s______ you are mistaken.
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.