... I. 0,5 x 8 = 4 (ms )1. earns 2.carefully 3. turn off 4.going 5.so 6.however 7.and 8.terrible II. 0,5 x 4 = 2 (ms )1.have boubht 2.will be – lose 3. missed 4.clean III. . 0,5 x 4 = 2 (ms )1. ... pollution problem is as complicated as it is serious . 3. Students’ answers ( gôïi yù :We /I collect plastice bags or garbage into the bin , plant many trees around our school , or we don’t ... advice on how to save water. 3. Mrs Ha has checked the pipes in her house and found no cracks.4. Mrs. Ha suggests getting some tool to check cracks in the pipes. II/ LANGUAGE FOCUS :. (4ms) a)...