By the time he retires, Professor Baker______for almost forty years.

admin2011-01-24 72

问题 By the time he retires, Professor Baker______for almost forty years.

选项 A、will teach
B、will have taught
C、has taught
D、will be teaching

答案B

解析句意：贝克教授到退休时，将教学近四十载。本题考查将来完成时。词组by the time意为“在……之前”，引导的从句用现在时表示将来时，故主句需用将来时。而且teach这个动作一直持续到retire这个动作发生，故需用完成时。结合两者，就该用将来完成时，选B。

转载请注明原文地址:https://kaotiyun.com/show/fbGC777K

英语

相关试题推荐

随机试题

最新回复(0)