The oceans and seas ______ the islands are more or less polluted.
#91842
A
surrounding
B
surrounded
C
are surrounded by
D
are surrounding
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They have ________ the rent _______ 12 dollars.
#97146
A
to fix, for  
B
to fix, by  
C
fixed, at  
D
fixed, for
_________ the project as planned, we’ll have to work two more hours a day. 
#98703
A
Completing
B
Complete
C
Completed
D
To complete
We still remember once _________ round the famous tower when we were young.
#90730
A
having taken
B
to be taken
C
having been taken
D
to have taken