take off , on time , take place , turn o

问题：

take off ,    on time ,    take place ,    turn off ,    thanks to ,    rather than

小题1:             my teacher's help, I worked out the problem at last.

小题2:We should think about others first,            ourselves.

小题3:Can you            the radio？ I'm writing my homework.

小题4:Great changes have           since I left my hometown 10 years ago.

小题5:I hope you can come to the meeting            tomorrow.