[Q]: How does the sentence end?

The embassy could not withdraw the tourist's visa, but the consulate could, since the

[A]: embassy lacked the authority.

[Q]: How does the sentence end?

The soil nearby works a lot better for the vegetables than the dirt, because the

[A]: soil is moist.

[Q]: How does the sentence end?

Maria asked Christine the best way to clean linen clothes since

[A]:
Christine had a lot of prior experience with this material.