Not until the early years of the 19th century ______ know what heat is.

admin2009-06-28 21

问题 Not until the early years of the 19th century ______ know what heat is.

选项 A、did man
B、man did
C、have man
D、man have

答案A

解析直到19世纪初，人类才知道热能是什么。not until放在句首，表示“不到……不，直到……才。”后面的句子要用倒装。故选A/

转载请注明原文地址:https://kaotiyun.com/show/FKwK777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)