Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Bob agreed ________ us with this maths problem.

Chọn một phương án bên dưới để kiểm tra đáp án ngay:
Đáp án chính thức: C
Hướng dẫn giải chi tiết
(AI giải đề cho tôi)
Động từ 'agree' theo sau bởi to-infinitive: 'agree to do something'. Câu: 'Bob agreed to help us with this maths problem.' Các phương án khác sai vì 'helped' (quá khứ), 'help' (nguyên mẫu không 'to'), 'helping' (V-ing) đều không đúng cấu trúc. Đáp án khớp với bảng đáp án nguồn (câu 19: C).
Câu hỏi này trích từ đề thi chính thức:

Kỳ Thi Tốt Nghiệp THPT Tiếng Anh 2020 Đợt 2 - Mã Đề 421

50 câu hỏi•Thời gian 60 phút•Chấm điểm & giải thích chi tiết
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