two sentences,please point out my mistakes 1 tears in his father`s eyes were both for sorrow and happiness 2 his parents were still sad for their son`death,but they were happy when they saw david was fine

the cattle ____grazing on the grassy hillside is or are?- -i have no idea

i wrote some sentences,please point out my mistakes Food has been eaten up,go out and buy something. since you said that ,put you words into practice it will take us at least two hours to take a bus to get there we failed,but at least we tried speak louder ,let everybody hear you how much time did you spend on that article you seem to be sad,tell us what has happened so that we could help you my brother is coming to beijing,he will get most out of time that he`ll stay here you are the people i`m looking for

control time when one day in our life run out,it could not come back.if we love our lifes,we should not waste our time.we should control our time,the best way to use it is to project it . when we plan our projects,remember two things,first,be realistic,don`t attempt to do too many things.Second,a good plan must be flexible,follow the same pattern every week with small changes let us do the master of time,start our plan today