----- Nội dung dịch tự động từ ảnh -----
1. We ________________ provide food for homeless children last Christmas.
A. wasn’t B. weren’t C. didn’t D. don’t

5. The students ________________ plastic bottles for recycling 2 weeks ago.
A. sent B. exchanged C. reused D. collected

My sisters ________________ those trees in the schoolyard three years ago.
A. plant B. planted C. were plant D. were planted

1. I ________________ calls from lonely people when I on the Help Lonely People project in 2016.
A. answer - am B. was answering - was C. answered - was D. answered - were

8. Volunteers were so happy because they ________________ love to those small villages.
A. bring B. bringed C. brought D. are bringing

9. Last week, my brother and I ________________ books to the community library.
A. were donate B. donate C. donates D. donated

10. This voluntary organization started to operate three years ________________.
A. ago B. before C. last D. during