He is busy ______ the bicycle. A: oil B: oils C: oiling D: oilling

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2022-06-17 问题

He is busy ______ the bicycle. A: oil B: oils C: oiling D: oilling

2022-05-29 问题

[A] She often practices taking notes. [B] She often practices singing high notes.[C] She often practices oiling the gate. [D] She often practices overcoming her weakness.

2022-06-06 问题

All deck machinery require routine maintenance work, including splash lubrication for all totally enclosed working parts, lubricating open gears and clutches with open gear compound and ____. A: oiling the bearings with lubricant from the forced feed system B: greasing bearings on the shafts with high pressure guns C: painting the exposed parts with anti-corrosion D: disassembling the moving parts once every two months

All deck machinery require routine maintenance work, including splash lubrication for all totally enclosed working parts, lubricating open gears and clutches with open gear compound and ____. A: oiling the bearings with lubricant from the forced feed system B: greasing bearings on the shafts with high pressure guns C: painting the exposed parts with anti-corrosion D: disassembling the moving parts once every two months

He is busy ______ the bicycle. A: oil B: oils C: oiling D: oilling

&#91;A&#93; She often practices taking notes. &#91;B&#93; She often practices singing high notes.&#91;C&#93; She often practices oiling the gate. &#91;D&#93; She often practices overcoming her weakness.

[A] She often practices taking notes. [B] She often practices singing high notes.[C] She often practices oiling the gate. [D] She often practices overcoming her weakness.