该市计划明年拓宽主干道以缓解交通。

The city plans to ___widen the main road next year to ease traffic.

在辩论过程中，他们之间的意见分歧继续扩大。

The gap between their opinions continued to ___widen during the debate.

为了容纳更多游客，他们决定拓宽博物馆的入口。

To accommodate more visitors, they decided to ___widen the entrance to the museum.