I don’t think it wise ________ the hard work that they have refused to do.
________ we can’t get seems better than _______ we have.
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.