What happened to the young trees we planted? —— The trees＿＿＿＿＿＿well, but I didn’t water them.

________parents say and do has a life­longeffect on their children.

First aid is a temporary form of helptosomeone who suddenly falls ill or gets——beforea doctor can be found.

This physics problem is too difficult Can you show me __________, Wang Lin?— Sure

Lots of students are_________ in tigers and other wildlife.