---What caused the party to be postponed? ----_____the invitations .
#93393
A
Tom to delay sending
B
Tom’s delaying sending
C
Tom delaying to send
D
Tom delayed to send
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______ the project in time, the staff have been working at weekends since last summer.
#97036
A
Completing
B
Having completed
C
To have completed
D
To complete
_____ in Paris, the Louvre is one of the world’s largest art galleries. 
#94647
A
Locating
B
Located
C
Having been located
D
Being located