Scientists think laser (be) ______ one of the most useful tools today.

admin2010-02-05  29

问题 Scientists think laser (be) ______ one of the most useful tools today.

选项

答案to be

解析 句意:科学家们认为激光是当今最有用的工具之一。该题考查宾补结构。to be在此是不定式作宾语补足语。
转载请注明原文地址:https://kaotiyun.com/show/ZslK777K
0

最新回复(0)