It’s bad for your eyes ____ computergames for a long time

.What a great weight the mother felt _____ her mind the moment she found her lost son!

must go there earlier. John has suggested that I ________ an hour before the discussion begins.

George couldn’t remember when he first met Mr.Anderson, but he was sure it was___Sunday s___ because everybody was at__church.

More highways have been built in China, _____ it easier for people to travel everywhere.