A scientistWill come to give us a talk ______ computer.

admin2009-06-21  45

问题 A scientistWill come to give us a talk ______ computer.

选项 A、at
B、on
C、of

答案B

解析 介词on与computer搭配。
转载请注明原文地址:https://kaotiyun.com/show/4J0d777K
0

最新回复(0)