Spring includes February, March and April.

Lexical analysis

Interpretation: spring; spring

At the ceremony held at the White House yesterday, the leaders of the two superpowers unexpectedly signed a trade agreement?

The leaders of the two superpowers suddenly signed a trade agreement at a ceremony in the White House yesterday, which was a great surprise. ?

2. We met again in the spring of 1977. ?

/kloc-we met again in the spring of 0/977. ?

Both springs of the fuel pump are broken. ?

Both springs in the fuel pump are broken. ?

When they approached, a guard stood at attention outside every door?

As they approached, a guard stood at attention outside each door. ?

He lifted the sheets and jumped out of bed?

He lifted the sheets and jumped out of bed.