Lin Tao has returned from the UK recently. He at Cambridge for four years, during which we with each other on the Internet.
A. has studied; has municated
B. had studied; municated
C. studied; had municated
D. studied; municated
网友回答
A. has studied; has municated
B. had studied; municated
C. studied; had municated
(答案→)D. studied; municated
解析：考查时态：句意：林宝2最近从美国回来了，他在剑桥大学学习了4年，期间我们经常在网上交流。因为他已经从英国回来了，在剑桥学习4年是过去的四年，我们在网上交流也是过去的动作，选D。