There is _______ wrong with this commputer. It doesn’t work well.

______ can do a job patiently and attentively for many years unless he loves it.

A botanist who speaks and writes English is in closer touch with the scientists in other countries than 　　　　who doesn’t．

With______she needed______,she left the supermarket.

＿＿＿＿being March 12th, they planted trees on the hill.