Ex1: Choose 1. Too much dioxin in the atmosphere cause global– a. warm b.warming c. warmly d. warmed 2. Singapore is famous f

Ex1: Choose 1. Too much dioxin in the atmosphere cause global…….. a. warm b.warming c. warmly d. warmed 2. Singapore is famous for its…….and green tress a. clearly b. cleaning c. clean d. cleaned 3. ……..natural disaster is the most common in our country a. What b. which c. who d. when 4. The heavy … Đọc tiếp