As an orphan, he _____ earn his living alone. A. have to B. has had to C. ought to D. had to
As an orphan, he _____ earn his living alone.
A. have to
B. has had to
C. ought to
D. had to
As an orphan, he _____ earn his living alone.
A. have to
B. has had to
C. ought to
Đáp án: B
Giải thích: Sự việc đã xảy ra nhưng không rõ mốc thời gian => chia thì hiện tại hoàn thành
Dịch: Là một đứa trẻ mồ côi, anh ấy phải kiếm sống một mình.