急问一道英语题目The old_____.A.must be well looked after B.must be l

急问一道英语题目The old_____.A.must be well looked after B.must be l ( )18.A:The computer must be looked after well when it _____ Young trees must___.A.looked after well B.be l Old people must be looked after well and _D__ politely A.spe old,and,young,people,looked,after,children,must,be,well连词成句! You _____ be shocked at the news.A.should well B.must well C I did not hear the phone,I___asleep.A.must be B.must have be Old people must be look after well and( )politely.A.spoken t We must be l------- to the school Young trees should be ____.A.well looked after B.good take c We must be well\well.well You must speak to the old_____(polite).