List some examples of time expressions without prepositions.
【正确答案】：Some time expressions, especially those multi-word phrases, often go without prepositions. Here is a list of such expressions: (1) next Monday/last week/each spring/every year; (2) the next day/the following day/the previous day; (3)all morning/any day/some week; (4)tomorrow morning/yesterday afternoon/the following evening; (5) last night/tomorrow night; (6) one day/one day last week/one day several years ago; (7) the day after tomorrow/the day before yesterday /the week after next /the week before last; (8) two weeks ago/three months ago/four years ago, etc.
