根据句意，在答题卡对应题号的横线上，写出括号内所给单词的适当形式。
Those leaders always like to give __________(speak) at all kinds of meetings.
Which one would you like? You have to make the ________ (decide) right now.
He lies somewhere between being __________(wake) and being asleep.
The boy tried again and again and at last he _________(success) in putting the robot right.