In our school, the students have three__________ courses and seven __________courses.
President Obama promised victims of the deadliest accident in 65 years ______ the government would help them.
China has a growing number of middle-class parents who _____ for years to get their only child into a top school.
Used to TV shows, _____ everything is quick and entertaining, many people do not have the patience to read a book that requires thinking.
Sitting cross-legged in a manner in which the bottom of a foot ______ toward an Arab is a serious insult.
Coughing _____ also be used for social reasons, such as the coughing before giving a speech.