What do you think of the voice of Adele who won 2017 Grammy Awards— Oh, I’ve never heard ________ one.

Mum, I’ve got a chance to be an exchange student to the UK next year!— Really That’s just ________ to be true. Anyway, congratulations, baby!

The pilot asked all the passengers on board to remain ________ as the plane was making a landing.[ ]

She devoted herself __________ to herresearch and it earned her a good reputation in her field

Please leave your phone number ______ we can get in touch with you in case of emergency[ ]