溺水者紧紧抓住救生圈不放。

The drowning man ___clung to the lifebuoy for dear life.

保鲜膜紧紧地贴在碗上。

The plastic wrap ___clings tightly to the bowl.

尽管多年过去，她仍然紧握着那段美好的回忆不放。

She still ___clings to the sweet memories of many years ago.