Choose the word that fills the blank.
She has been working all night. She ______ be very tired.

mustCorrect answerYour answerneedCorrect answerYour answermay notCorrect answerYour answeroughtCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

A firm conclusion from the facts takes "must": after a night of work, she must be tired.

Worth noting

"Ought be" leaves out the "to" that "ought" always needs, and "may not be" goes against the facts given.

Ten questions from Articles, prepositions and modals, at your own pace.

Ten questions from Articles, prepositions and modals, at your own pace.

Choose the word that fills the blank.She has been working all night. She ______ be very tired.