$\text{14.B}$
$\text{15.A}$
$\text{16.C}$
$\text{17.A}$
$\text{18.D}$
$\text{19.A}$
$\text{20.B}$
$\text{Câu 2:}$
$\text{1.Is snowing}$
$\text{2.Travel/Will travel}$
$\text{3.Had}$
$\text{4.Watches}$
$\text{5.To walk}$
$\text{6.Were having}$
$\text{7.Wew waiting/Met}$
$\text{8.Dropped/Was putting}$
$\text{9.Tell/Don't believe}$
$\text{10.Walk}$