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6. - Đề kiểm tra 15 phút Tiếng Anh 10 – Unit 4: For a better community
Lớp 10 Tiếng Anh Đề kiểm tra 15 phút Tiếng Anh 10 – Unit 4: For a better community

6. Last year we ________ in the Community Village project in Mai Chau, Hoa Binh

while the disabled artisans ___________ to follow their trades.

A. join - are trying

B. joined - were trying

C. joined - had tried

D. were joining - were trying