28. The farm as well as its neighboring hills we once spent so much time ____ on a new look as recently as last year.
A.on having taken | B.has taken | C.on has taken | D.having taken |
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28. The farm as well as its neighboring hills we once spent so much time ____ on a new look as recently as last year.
A.on having taken | B.has taken | C.on has taken | D.having taken |