what should we do to fight A/H1N1 flu we should wash hands o

what should we do to fight A/H1N1 flu we should wash hands o what should we do to fight pollution 作文 We should wash our hands b________meals. we should wash our hands before we have what should we do? we do should what What should we do to be a good student?回答： --What should we do to make salad? What should we do to prevent AIDS What should we do to prevent AIDS? We should ---------- what to do next .(consideration) we should wash our hands before eating同义句