----- Nội dung ảnh ----- 89. I ___ an exercise now but I ___ it in some minutes. A) write / finished B) writes / will finish C) wrote / is finishing D) am writing / shall finish E) have written / had finished
90. Last year he ___ better than he now. A) sings / did B) sang / is doing C) had sung / does D) would sing / did
