试题题干
Rewrite the following sentences as required.
Using an appropriate cohesive device:
The professor stepped into the classroom. The professor opened his book and then began to talk.
参考答案
试题解析
本题考查连接词。题目中的两句话主语都是the professor，动作是stepped into the classroom，opened his book and began to talk，这三个动作是连贯的，所以用并列连词and把动作连接在一起。