Which verb belongs in the sentence below?

Loose lips _______ ships.
A.
sinks
B.
sink
C.
was sinking
D.
sinking

B. sink

The verb that belongs in the sentence "Loose lips _______ ships" is A. "sink."

The correct answer is A. "sinks."

The phrase "Loose lips sink ships" is an idiomatic expression used to encourage people to avoid speaking carelessly or revealing important information. In this case, "sink" is the correct verb form to use because it agrees with the subject "lips" and it is in the present tense, which matches the overall tense of the sentence.

To determine the correct answer, it is important to identify the subject and its agreement with the verb. In this sentence, the subject is "lips," which is a plural noun. Therefore, we need to use the plural form of the verb, which is "sinks" in this case.

So, to get the answer, analyze the subject and its agreement with the verb in terms of number and tense.