----- Nội dung dịch tự động từ ảnh ----- 16) Jane got wet because she forgot her umbrella. (so) 17) You should study harder on your examination. (I suggest that) ********* 18) You must learn very hard so that you can pass the exam. (for) 19) To know English is necessary. (It is) 20) It is very easy to do this grammar exercise. (To inf...)
