Listen! Can you hear them _______ in the next room?A．practising to singB．practis

题干

Listen! Can you hear them _______ in the next room?

A．practising to sing	B．practising singing
C．practise singing	D．to practise sing

上一题下一题 0.65难度单选题更新时间:2014-05-22 08:21:19

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