1.The boy ___ (ask) not to draw on the wall,wasn't he?

问题描述:

1.The boy ___ (ask) not to draw on the wall,wasn't he?
1.Who ___(find) that lost girl?Her mother must be happy now.
2.___ personal computers ___ (invent) in 1976?
麻烦说明一下为什么?

1.was asked
1.found
2.Were invented