I don’t think you can work out the maths problem＿＿＿＿her help

It is said that your grandpa was verybrave．—Not _________．He was _________thanbrave．

Thetwocountriesstartedmanyco-operationsinorderto____________thetiesbetweenthem.[ ]

Does your pen pallive in Guangzhou or Fuzhou —________

He always looks _______. You can see his smileall the time.