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．