In America, if ________ friend has invited you to drop by anytime, it is ________ best to call before visiting to make sure it is convenient for him.
--What ____________when I phoned you? ----I_____________and began to have a bath.
--Have you any oranges and apples? --__________
I know nothing about the young lady ___________ she is from Beijing.
Sandy could do nothing but _________ to his teacher that he was wrong.
--The prison was ___________ fire last night. --Someone must have set fire___________ it.