3 câu cuối nhé thêm công thức nữa nhé ----- Nội dung dịch tự động từ ảnh ----- 1. It is essential that Professor Van Helsing is met at the airport. => Professor Van Helsing............. 1. It is necessary that this work be finished by Monday. => This work...... 2. It 's necessary for you to drink enough water every day ==> you must............. 3. Learning English is very necessary =>It is.............. ......
