1. How /many/ hour / day/ you /watch TV

2. What/ you/ Watch tivi /last night

3. Sometimes/ he/ watchTV/and/sometimes/he/read/book

4. My mother/ Love/ Korean/film/ but/I /not

\(D=8\left(7^8+1\right)\left(7^4+1\right)\left(7^2-1\right)\)

\(D=\frac{4}{25}\left(7^2+1\right)\left(7^2-1\right)\left(7^4+1\right)\left(7^8+1\right)\)

\(D=\frac{4}{25}\left(7^4-1\right)\left(7^4+1\right)\left(7^8+1\right)\)

\(D=\frac{4}{25}\left(7^8-1\right)\left(7^8+1\right)\)

\(D=\frac{4}{25}\left(7^{16}-1\right)\)

Vì: \(\frac{4}{25}\left(7^{16}-1\right)< 7^{16}-1\Rightarrow D< C\)