A．firstB．secondC．lastD．next

Canada is the worlds______largest country after Russia.A．firstB．secondC．thirdD．fourth

In the United States, Thanksgiving Day is the______Thursday of November.A．firstB．secondC．t

The United Sates ranks______ in the export of rice in the world.A．the firstB．the secondC．t

【C3】A．recentB．nextC．lastD．old

【C7】A．otherB．secondC．twoD．one

【C2】A．lastB．firstC．at lastD．at first