More than twenty_____students are having an important exam at the moment.

It is very _______ of you to speak in front of all those people .

Aprofessorandawriter_________presentatthemeeting.

Is that _________ sister, Dave? — No, it isn’t. She is my friend.

Will there a football match on CCTV 5 this evening?—Yes. There usually football matches on Sunday evenings.