Our knowledge of computers__________growing all the time.A．beB．isC．areD．were
题型：不详难度：来源：
| Our knowledge of computers__________growing all the time. |
答案
| B |
解析
| knowledge是不可数名词，作主语，谓语动词用单数。 |
举一反三
| Neither of them__________a worker. |
| There__________a table with three legs in Jenny’s room. |
Listen! Someone__________ in the next room.| A．cry | B．is crying | C．are crying | D．crying |
|
| Neither the students nor the teacher__________here.Where are they? |
Either the students or the teacher__________him very well.| A．know | B．to know | C．knows | D．knowing |
|
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