Before we ________ a computer, we ________ that typewriter to type our assignments. A. bought / have used B. are buying / use C. buy / have used D. bought / had used

Before we ________ a computer, we ________ that typewriter to type our assignments.

A. bought / have used    
B. are buying / use
C. buy / have used    
D. bought / had used

Trả lời

Chọn đáp án D

Câu hỏi cùng chủ đề

Xem tất cả