Prepositions: worry .....; write.....sb.. ...st; make use...; be.....use: dang su dung; .....future use; stand... ..; succeed.....; rely.....; reply.....; respond....; react.....; run..... .....: het, can kiet; ..... the long run; the reason.....; the cause.....; the need.....; the purpose.....; the attitude..... st; take care....=look .....; take .....: giong take the place..of...=replace= substitute; take...on..: nhan them nguoi vao lam; think...of....about...; thank youthanks .....st:cam on ve thanks.....: nho vao; take part.....= participate.....; trust.....= believe.....; provide sb.....st=provide st.....sb supply sb.....st=supply st .....sb; .....purpose: co tinh, co y; prevent sbst ..... st protect sb.....st..... st: