问题
_________do you write a letter to your father— I seldom or never do that now. Instead, I call or e-mail him almost every day.
A:How soon
B:How long
C:How much
D:How often;
B:How long
C:How much
D:How often;
正确答案是：
同类题型
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ime _____ siting at a desk, office clerks are generally troubled by various health problems.
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