Chọn đáp án C
Đại từ quan hệ:
Ta dùng đại từ quan hệ ‘which’ kết hợp với dấu phẩy để thay cho cả mệnh đề phía trước.
Tạm dịch: Điện thoại của một sinh viên đổ chuông, điều này khiến các sinh viên khác mất tập trung.
Adults seem very interested in the environmental campaign _______ by a team of high school students.
The science museum _______ we visited last week was crowded with tourists.
The play _______ for the first time in 2005 will be adapted for television.
The health declaration app NCOVI, ______ by the Ministries of Information and Communications and Health, is very popular with Vietnamese people.
Many of the tourist destinations _______ in this brochure offers special deals.
More and more people follow 5K message, _______ helps contain the spread of the virus.
Recently, there have been a lot of stories about the earthquake _______ hit our town two years ago.