It was reported that the North Korea’s decision to send a satellite into space ______ an international argument. [ ]

You will fail ______you work hard.

Would you like some rice— ________, I’d rather have a piece of bread.

Expertsthink that ____recently discovered painting may be _____ Picasso

Did you go to the open-air concert?—No. We ____. but we spent too much time shopping.[ ]