-Hi ,Tom, why not attend my birthday party held last week?-I am sorry, I had meant to, but I something unexpected.
_______caused the accident is still a complete mystery.
________ 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.