Only after her mother came to help her for the first few months _____ to begin her propjet.
You’d better focus all your attention on the class. ________ you’ll miss the most important points.
Suffering from war, hunger and illness, many African children are ________ food, love and care.
There is a peaceful and calm ________ in the country, quite different from that of a big city.
---Where did you ________ our chemistry teacher?--- It was in the supermarket ________ I bought the moon cakes.
John is the only one of the students in our class that never ________ a mistake even when it is pointed out to him.