III. Choose the best anwser 1. Last year we disabled artisans A. join - are trying in the Community Village project in Mai Chau, Hoa Binh while the to follow their trades. C. joined - had tried 2. During the volunteer programme, they for the needs of the local community. A. builds - are working C. were building - worked 3. While Tom Cambodian culture. B. joined - were trying D. were joining - were trying up international understanding while they B. were building - were working a lot about D. built were working - English to poor children in Phnom Penh last year, he A. is teaching - knows C. was teaching - knew 4. My passion for volunteering to help children for the summer community service. A. begin - work B. taught - was knowing D. was teaching - was knowing during my middle school years while I B. began - was working
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