IV.
$\text{1.}$ B $\text{→}$ felt
$\text{→}$ feel - felt - felt
$\text{2.}$ A $\text{→}$ Did
$\text{→}$ last Sunday chia QKD
$\text{3.}$ C $\text{→}$ bought
$\text{→}$ có ago chia QKD
$\text{4.}$ C $\text{→}$ am drawing
$\text{→}$ Câu hỏi dk hỏi ở thì HTTD
$\text{5.}$ D $\text{→}$ do
$\text{→}$ help sb + V: giúp ai làm gì
$\text{6.}$ A $\text{→}$ do
$\text{→}$ Câu đk loại 1: $\text{If + HTD, S + will/ can/ may + V.}$
$\text{7.}$ A $\text{→}$ wants
$\text{→}$ want ko chia HTTD
$\text{8.}$ C $\text{→}$ has
$\text{→}$ every day chia HTD
$\text{9.}$ B $\text{→}$ are having
$\text{→}$ có now chia HTTD
$\text{10.}$ B $\text{→}$ skipping
$\text{→}$ HTTD: $\text{S + is/ are/ am + V-ing.}$
$\text{# Xin 5* và ctlhn ạ}$