V. Fill in the following sentences by using PAST PERFECT CONTINUOUS TENSE: Part 1 1. We ………………………………………………… (play) football for half an hour when it s
V. Fill in the following sentences by using PAST PERFECT CONTINUOUS TENSE: Part 1 1. We ………………………………………………… (play) football for half an hour when it started to rain. 2. I …………………………………………………. (study) English for a short time when the electricity went off. 3. She ……………………………………………… (do) her homework before you came in. 4. His knees … Đọc tiếp