$5.$ I have not heard that news from my close friends for two days.

S + have/has + not + V3 + for + khoảng thời gian/since + thời gian được xác định.

$6.$ Our teacher advised us to wear medical face mask when going out.

$S_1$ + advised + $S_2$ + to + V.

$7.$ The teacher told her children to finish their homework that week.

$S_1$ + told + $S_2$ + to + V.

$8.$ You live in Ho Chi Minh City, don't you ?

S + V, trợ động từ + not + S ?

$9.$ He prides himself that he can predict what is going to happen in the future.

S + pride(s)/prided + đại từ phản thân.

$10.$ Bill asked David's sister that how long she has designed this postcard.

$S_1$ + asked + $S_2$ + wh-questions/how + S + V.

`\color{lightblue}{\text{@Bulletproof Boy Scout}}`