老旧的时钟在空荡的走廊里大声滴答作响。

The old clock ___ticks loudly in the empty hallway.

寂静中，祖父钟有节奏地滴答着。

In the silence, the grandfather clock ___ticked rhythmically.

她的手表滴答声非常轻柔，几乎听不见。

Her watch ___ticks so softly that it's almost inaudible.