[ Tenses ]
My father is so tired since he … our garden all day for planting vegetables.
- has prepared
- has been preparing

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Vocabulary › ViewInfidel
A. one who analyzes facts in relation to one another
B. one who is not a Jew, Christian, or Moslem
C. Muslim of mixed Berber and Arab ancestry
D. one who rejects all religious beliefs
Conjunctive Adverbs › View
Which of the following is a conjunctive adverb?
A. Because
B. Although
C. Meanwhile
D. Since