The following sentence contains a blank. From the four choices given, select the one that can be inserted in the blank to form a grammatically correct sentence. Choice (A) may consist of dashes that indicate that no insertion is required to form a grammatically correct sentence.
Select an Answer
Cette lettre est importante: répondez- blank ________ tout de suite.
The preposition à is used in connection with the verb répondre ("to answer"). The preposition à plus an object can be replaced by the pronoun y. (D) is the correct answer. (A) la, (B) vous, and (C) en, while they are all pronouns, cannot replace à plus a thing.