—Let's go to watch the cosplay show!—Sorry, I . I have to go to my guitar lesson.

题干

—Let's go to watch the cosplay show!
—Sorry, I . I have to go to my guitar lesson.

A：shouldn't

B：mustn't

C：needn't

D：can't

上一题下一题 0.0难度选择题更新时间:2017-02-23 04:45:48

直接写得数

2﹣ $\frac{7}{15}$ =____	$\frac{5}{9}$ × $\frac{3}{5}$ =____	$\frac{5}{51}$ ×17=____	$\frac{5}{6}$ ×6× $\frac{1}{10}$ =____
$\frac{1}{4}$ + $\frac{1}{5}$ =____	1÷ $\frac{1}{14}$ =____	0× $\frac{7}{12}$ + $\frac{1}{8}$ =____	$\frac{3}{4}$ × $\frac{5}{6}$ ÷ $\frac{5}{6}$ × $\frac{1}{10}$ =____

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