[ Grammar ]
They________have filled the car with petrol before they set off.
A. MIGHT
B. OUGHT TO
C. CAN
D. ABLE TO

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Grammar › ViewIt’s good practice _____ you
A. for
B. at
C. of
D. in
Tenses › View
My father is so tired since he … our garden all day for planting vegetables.
- has prepared
- has been preparing