Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions

Câu hỏi

I my report when my boss the hall.

A. made - was entering

B. made - entered

C. was making - was entering

D. was making - entered

Đáp án
D. was making - entered

Câu hỏi thuộc Bài tập:

I ____ my report when my boss ____ the hall.