The clever boy made a hole in the wall, _______ he could see ______ was going on inside the house.
What a pity! When we got to the cinema, the movie Let the Bullets Fly _________, so we saw only the end of it.
Professor Li always allows his students to voice their opinions in class, ______ sometimes their opinions are not sound.
--Shall I have another look at the flat and tell you more about it?--__________. I’ll telephone the salesgirl for details myself later.
Bad program on TV may have bad _____ on children.
Was it in 1996 _____ the American astronaut succeeded _____ landing on the moon?