1. Because his laziness he often fails in his exams.

2. In the article the writer made use a wide vocabulary.

3. The number of students taking part-time jobs have increased recently.

4. Do you know in many countries people speak Chinese as the second language?

5. The phrase using in the sentence is not correct.

税务机关在税务检查时，发现个体工商户李伟涉嫌少缴税款6000元，经查其中3000元是因为李伟自己故意少报造成的，另3000元是由于税务机关错算造成的。税务机关立即扣押了李伟妻子上下班用的价值2000元的电动车，要求李伟在10日内到税务机关补缴税款和滞纳金。但3天后发现李伟有转、隐匿其应纳税商品的行为，于是又查封了李伟价值7000元的商品。根据上述资料，回答下列问题。

税务机关对于李伟的少缴税款的行为（）

A.可以处以罚金

B.对6000元少缴税款加收滞纳金

C.对李伟造成的3000元可以加收滞纳金

D.对税务机关造成的3000元不可以加滞纳金