他们计划明年春天结婚。

They are planning to ___tie ___the ___knot next spring.

他原本打算去年夏天结婚。

He was going to ___tie ___the ___knot last summer.

经过漫长的订婚期，他们终于决定结婚。

After a long engagement, they finally decided to ___tie ___the ___knot.