选择方框内的单词完成句

knowledgeable, member, wasted, slowly, unless, were

Please speak _____, Frank. I can’t follow you.
Peter _____much time playing computer games and did badly in all subjects last term.
Ted is an active ________ of the chess club.
That boy is very young, but he is very_______ .
You will be late_______ you get up right away.
If he _______here, he would help me to solve the problem.