Choose the correct form of the verb to fill the blank.
Listen! Someone ______ at the door.

is knockingCorrect answerYour answerknocksCorrect answerYour answerknockCorrect answerYour answerhas knockedCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

"Listen!" shows the sound is happening right now, so the present continuous is needed: "is knocking".

Worth noting

"Knocks" describes a habit, not a sound you can hear at this moment.

Ten questions from Tenses and agreement, at your own pace.

Ten questions from Tenses and agreement, at your own pace.

Choose the correct form of the verb to fill the blank.Listen! Someone ______ at the door.