Complete the sentences with the given words in their proper forms（用所给单词的适当形式填空）
【小题1】It's dangerous for us to run ___________(cross) the road.
【小题2】We mustn't speak ____________ (loud) in reading room.
【小题3】When we see the green light, we should walk ___________(quick) across the road.
【小题4】The words on the blackboard are too small. I can't see them ____________ (clear).
【小题5】Don't _____________ (entrance) the teachers' office without permission.
【小题6】The ___________ (play) in green will be the first.
【小题7】This is the _____________ (one) time for me to come here.
【小题8】There are different _____________ (rule) around us.