Điền từ thích hợp

giúp 
 
----- Nội dung dịch tự động từ ảnh -----
me to sit down in front of the computer screen. I did not know what it was
didn't know what VDU was, but I
He was very helpful. He (1).
called. When I asked him what it was, he said that it was a VDU. I (2)
was too shy to ask him anymore. From that moment my memory' (3).
lot of things that I really didn't understand at all. After a few lessons, I began to feel tired. I made an (4)
to learn because he told me a
saying that I had a headache. I suggested we should leave the lesson for another day. Since then I
haven't said (5).
about the computer to my son and my secretary.