The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.
84.It is theability to do the job _____ matters not where you come from or what you are.
85.We all thought ______ a question ________we could raise enough money for the project.
86. The number of people invited __________ fifty, but a number of them __________ absent for different reasons
87. Shortly after the accident, two ___________ police were sent to the sport to keep order .
88.“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”