12.
$\text{1.}$ My father is watching television at the moment.
$\text{2.}$ We are walking to school right now.
$\text{3.}$ They are studying Geography at present.
$\text{4.}$ He is listening to the radio now.
$\text{5.}$ Nam and Nga are having lunch at present.
$\text{6.}$ Miss Lien is playing the piano.
$\text{7.}$ The girls are eating breakfast at the canteen now.
$\text{8.}$ I am doing my homework at present.
* Form: HTTD:
$\text{(+)}$ S + is/ are/ am + V-ing.
$\text{(-)}$ S + is/ are/ am + not + V-ing.
$\text{(?)}$ Is/ Are/ Am + S + V-ing?
Dấu hiệu:
- at the moment/ present
- (right) now
13.
$\text{1.}$ C
$\text{→}$ mượn sách ⇒ thư viện
$\text{2.}$ A
$\text{→}$ author: tác giả
$\text{3.}$ A
$\text{→}$ biology: môn sinh học
$\text{4.}$ C
$\text{→}$ physical education: giáo dục thể chất
$\text{5.}$ B
$\text{→}$ a lot of + N đếm dk số nhiều
$\text{6.}$ D
$\text{→}$ tìm nghĩa của 1 từ $\text{→}$ từ điển