Sun Yang, a young Chinese swimming talent, ________ several gold medals before the 2012 London Olympics.
_______is certain ______ the Normans conquered England in 1066 and then English changed.
Many years of hard work_______ his great success in the development of this new type of material.
Danby left word _______he would call again in the afternoon .
I was surprised by his words ,which made me recognized ______silly mistakes I had made .
_______was last night ______I read about the history of English.