bottle； repeat； silent； yourself； instead of

（1）Sam， did you really fix the computer by 　　?

（2）This city recycles nearly 85% of its used plastic 　　．

（3）I think you should ride your bike to work 　　going by car．

（4）He spoke no English and was completely 　　during the visit．

（5）My grandfather often 　　 that he wants to go back and live in the countryside．