beth had a wobbly tooth. it had wobbled and wobbled for weeks. one day, beth bit into a big red apple. her wobbly tooth came out.

• 贝丝有一颗松动的牙齿。它已经摇动好几个星期了。一天，贝丝正在啃一个大红苹果，结果松动的牙齿一下掉了。