The _____look on Sam’s face suggested that there must have been something _____ on his way to school.
Who____the fight against the H1N1flu ____is not been for the Chinese scientists’ great efforts. A.could have won ,had B would win, had C would have won, has D could win,has
----Do you have any idea what Paul does all day ? -----As I know ,he spends at least as much time playing a he _____.
.I don’t mind her criticizing me ,but____is how she does it that I object to .
.We all know that ,___, the situation will get worse.
.Little _____that we were watching his every move , so he seemed to goin his own way in this business .