It rained heavily in the south，________serious floods in several provinces.
A. caused B. having caused
C. causing D. to cause
The town's water comes from the ________hills.
A. surrounded B. surrounding
C. nearly D. neighbour
He took ________at the beginning of the year.
A. officer B. office
C. official D. officially
Don't leave matches or cigarettes on the table within the ________of little children.
A. hand B. reach
C. space D. distance
Beijing is ________to many key universities.
A. home B. family
C. house D. household
The speech given by that old professor seemed ________，which made the audience very bored.
A. hopeless B. effortless
C. endless D. careless
