The country has vaccinated 70% of its population since the first vaccines _______ .
C
Giải thích:
Kiến thức về sự phối thì
Cấu trúc với since: HTHT since QKĐ, hoặc Since QKĐ, HTHT.
Tạm dịch: Cả nước đã tiêm vắc xin cho 70% dân số kể từ khi lô vắc-xin đầu tiên được sản xuất.
→ Chọn đáp án C
Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Geroge and Linda are talking about the use of mobile phones.
George: “I think it is a good idea to allow students to use their phones in class.”
Linda: “ _______ . They tend to be distracted and can’t focus on lessons.”
Older people are especially vulnerable to cold temperatures even inside their homes.
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
I last had an outdoor barbecue 2 months ago.
Acting is very _______ - you've got to really push yourself if you want to succeed.
Peter and Mark are at the school’s canteen.
Peter: “ _______ ”
Mark: “No, thanks. I’m full.”
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Jack did poorly on his final test. He was aware of the importance of hard work.
It’s necessary for all of the students to finish their assignments before 3 p.m.