The shop-assistant was straight with his customers. If an article was of _____ quality, he'd tell them so.
His writing is so confusing that it’s difficult to make out ________ it is he is trying to express.
—Which one of these do you want?—________. Either will do.A. I don’t mindB. I’m sureC. No problemB. Go ahead
Scientists study ________ human brains work to make computers.
________ can be good at something for 40 years if he doesn’t love it.
Mrs Smith finds it hard to clear up the mess, as her children are always ________ whenever she tries to.