When we visited our headteacher again ten years later, he had changed so much that we could hardly ________ him.
The practice of hanging clothes across the street is a common_____ in many parts of the city.
.The weather was______ cold that I didn’t like to leave my room.
It is 10 o’clock now. He _____ be back at any time.
Long years of hard work made _____ possible for him to enter a key university in Beijing.
The small village has _____ a town.