He looked rather untidy as there were two buttons _____ from his coat.
--- Mr. Anderson is popular with his students, for he is kind, strict and knowledgeable. --- No wonder he has such a good_________.
--- I hear that Jason is planning to buy a new car. --- I know. By next month, he ________ enough for a used one.
--- What on earth are the police busy with? --- They have been investigating how the train crash __________.
--- It’s a shame that you missedthe lecture on the British culture given by Thompson. --- I _________ it, but I was busy preparing the coming exam.
Readers are required to _________ the rules of the library and mind their manners.