[ Present Perfect Continuous ]
Azizah ___________ been _______________ very hard for three months. She wants to do well in her examination.
A. has…studies
B. have…studies
C. has…studying
D. have…studying

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A. has
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My parents ________a lot of money on their plane tickets.
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I plan to__________around the world after I graduate from university.
A. travel
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D. journey