Fill in the blank with most appropriate word.

This part of the sea ______ with sharks.

teems

The most appropriate word to fill in the blank is teems.

The word teem means to be full of or swarming with something. In this case, the sentence is saying that this part of the sea is full of sharks. The other words in the options do not have the same meaning.

• Expands means to become larger or more extensive.
• Crowds means to fill (a place) with a large number of people.
• Suffices means to be enough or to meet a need.