Thứ bảy, 11/05/2024
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Câu hỏi:

17/07/2023 61

The country has vaccinated 70% of its population since the first vaccines _______ .

A. had been produced

B. have been produced

C. were produced

Đáp án chính xác

D. are produced

Trả lời:

verified Giải bởi Vietjack

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

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1:

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.”

Xem đáp án » 17/07/2023 418

Câu 2:

Older people are especially vulnerable to cold temperatures even inside their homes.

Xem đáp án » 17/07/2023 352

Câu 3:

They encouraged the employees _______ the conference.

Xem đáp án » 17/07/2023 250

Câu 4:

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.

Xem đáp án » 17/07/2023 146

Câu 5:

Acting is very _______ - you've got to really push yourself if you want to succeed.

Xem đáp án » 17/07/2023 116

Câu 6:

Cotton shirts feel _______ than polyester ones.

Xem đáp án » 17/07/2023 98

Câu 7:

They're _______ free buses to and from the concert.

Xem đáp án » 17/07/2023 80

Câu 8:

His dream to become an interpreter was at last _______ .

Xem đáp án » 17/07/2023 71

Câu 9:

Peter and Mark are at the school’s canteen.

Peter: “ _______ ”

Mark: “No, thanks. I’m full.”

Xem đáp án » 17/07/2023 65

Câu 10:

When I came to the birthday party, all the guests _______ .

Xem đáp án » 17/07/2023 54

Câu 11:

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.

Xem đáp án » 17/07/2023 54

Câu 12:

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions

Xem đáp án » 17/07/2023 50

Câu 13:

Jack did poorly on his final test. He was aware of the importance of hard work.

Xem đáp án » 17/07/2023 49

Câu 14:

Baseball _______ with nine players on the team.

Xem đáp án » 17/07/2023 44

Câu 15:

It’s necessary for all of the students to finish their assignments before 3 p.m.

Xem đáp án » 17/07/2023 43

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