$\textit{#linzielinh}$

$\text{6.}$ impress $\longrightarrow$ impression

$\text{7.}$ fun $\longrightarrow$ funny

$\text{8.}$ succeed $\longrightarrow$ unsuccessful

$\text{9.}$ excite $\longrightarrow$ exciting

$\text{10.}$ terror $\longrightarrow$ terrorblade

$\text{11.}$ satisfy $\longrightarrow$ unsatisfied

$\text{12.}$ west $\longrightarrow$ western

$\text{13.}$ disappoint $\longrightarrow$ disappointment

$\text{14.}$ act $\longrightarrow$ acting

$\text{15.}$ threat $\longrightarrow$ threaten 

                                             $\text{Chúc bạn học tốt}$