她惊恐地看着地上那个张着大口的裂缝。

She stared in horror at the ___gaping crack in the ground.

孩子们张大嘴巴，惊讶地盯着突然出现的小兔子。

The children stood ___gaping at the sudden appearance of a little bunny.

孩子们好奇地盯着地上那个张着大口的洞穴。

The children stared curiously at the ___gaping hole in the ground.