1. He _________ more that 5,000 English words when he entered the university at the age of 15?
A. has learned B. would have learned C. learned D. had learned
2. Scientists think that the continents __________ always where they _________ today.
A. aren’t; are B. aren’t; were C. weren’t; are D. weren’t; were
3. As soon as he comes back, I’ll tell him when __________ and see him.
A. you will come B. will you come C. you come D. do you come
