All the task ____ ahead of time, they decided to go on holiday for a week.
#91626
A
had been finished
B
were finished
C
having been finished
D
been finished
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________,John returned to school from his hometown.
#90941
A
The summer vacation being over
B
The summer vacation is over
C
Because the summer vacation over
D
After the summer vacation being over
The old couple have three daughters,_____ graduating from the same university. 
#91076
A
all of them
B
all of whom
C
neither of them
D
neither of whom
All flights _____because of the snowstorm,we decided to take the train instead.
#91303
A
were canceled
B
had been canceled
C
having canceled
D
having been canceled
There are many kinds of metals, ______.
#91614
A
each having its special properties
B
having its special properties
C
one has its special properties
D
each has its special properties
The Smiths have gone to New York for their holiday, with an old servant ____ their house.
#91417
A
looking after
B
look after
C
having looked after
D
looked after