【C9】A．rarelyB．fullyC．abundantlyD．fairly

When start a screw pump, the by pass valve should be ____.A.closedB.opened fullyC.cracked

【C12】A．RarelyB．HardlyC．AlmostD．Nearly

【C3】A．rarelyB．normallyC．sometimesD．always

_____is NOT a pair of homophones.A．Fair （lovely) and "fair" （a regular gathering of people

【C7】A．rarelyB．essentiallyC．obviouslyD．particularly

【C9】A．exceedinglyB．rarelyC．evenlyD．fairly