【C20】A．in the leastB．at leastC．at mostD．for the most

A.In the homeB.In homeC.At the homeD.At home

【39】A．at leastB．in the leastC．at the leastD．least of all

A．at a lossB．at lastC．in groupD．on the occasion

【C18】A．in the leastB．at leastC．not leastD．least of all

When is the sea ice at a minimum in a year？A．In the middle of summer.B．At the end of summe

【C12】A．at homeB．in the countryC．in the cityD．in the region