小题1:The monkeys are very cute．
小题2:I／We/She／He／They will buy some fruit(s) tomorrow．
小题3:The doctor advised the child to drink more water．
小题4:Please turn off the light before you leave the room．／The boy turned off the light before leaving the room．
根据图示和提示词，写出恰当的句子，每图一句。