Your doctor will give, upon request, a letter confirming that you are too ill to work.只须提出要求，你的医师将会出具证明信，证明你的病太重还不能工作。You will receive a message confirming correct installation of the program.你会收到一个信息确认程序已正确地安装好了。On receipt of the tuition fees, the college will issue a letter confirming your seat on the course.当受到学费后，学院会发信确认你在课程内的位置。