George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.
Unless ________ to speak, you should remain silent at the conference.
_____ in Haikou for five years, he is not used to the weather in his hometown.
________ we know, the moon goes around the sun.
Eventually, the soldiers made ___ breakthrough and ____ D-Day landings were successful.
–Mum, I have been admitted into Hong Kong University.--Well done! ____________.