Before we a computer we that typewriter to type our assignm
Câu hỏi
Nhận biếtBefore we.... a computer, we.... that typewriter to type our assignments.
Đáp án đúng: D
Lời giải của Tự Học 365
Giải thích
- Cấu trúc S + had + V3/ been V-ing before S + V2/ed được dùng để nói về một hành động xảy ra trước và có thể kéo dài đến thời điểm hành động sau xuất hiện.
Dịch câu: Trước khi chúng tôi mua máy tính, chúng tôi đã dùng cái máy đánh chữ để đánh máy các tài liệu.
==> Đáp án d
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