It was in the mid-1980s that cartoons began to take off in China,_________there were only pictured-story books.
— Conductor, can I get to Market Street on this subway? — Of course. It’s leaving. ___________, please.
— There is growing _____ about house prices. — Don’t worry! Something has been done.
Everyone knows that________ is dangerous to play with fire, but________ is difficult is to prevent children from playing with fire.
One can ______ BBC _____ the air early with his Short-wave radio.
— How many teachers are party members in your school? — Party members_________ one fifth of the number of the teachers in our school.