Most computer users think it necessary for their software ________ regularly．A．t
题型：不详难度：来源：
Most computer users think it necessary for their software ________ regularly．| A．to up date | B．to be updated | | C．to have been up dated | D．to have updated |
|
答案
| B |
解析
试题分析：句意：大多数电脑使用者认为按时更新他们的软件是很必要的。这里it是形式宾语，不定式是真正的宾语，“他们的软件”和“更新”之间是被动关系，故用被动语态；且表示经常或反复发生的动作，故用不定式的一般式，选B。 |
举一反三
I can’t stand _______ with Jane in the same office. She just refuses _______ talking while she works.| A．working; stopping | B．to work; stopping | | C．working; to stop | D．to work; to stop |
|
. Can you tell me the way you think of________ the problem?| A．to work out | B．working out | C．work out | D．to work |
|
, he dialed 999. | A．Seen the house on fire | B．To see the house on fire | | C．Being seen the house on fire | D．Seeing the house on fire |
|
______ at my classmates’ face, I read the same excitement in their eyes.| A．Looked | B．Look | C．To look | D．Looking |
|
______to the sun for too long, I think, can hurt your skin.| A．Being exposed | B．To expose | C．Exposing | D．Exposed |
|
最新试题
热门考点