Tina is showing off her new phone. She won’tstop ________about it.

They________him to be chairman of the Students’ Union.[ ]

At present ________ of the experiments ________done in labs after the new building has been finished

Would you mind if I turned off the air conditioner—-______. It makes no difference to me.

Areyou pleased with what he has done —Itcouldn’t be ________ Why didn’t he put more effort into his work