- must - usually - certainly - can/may only - absolutely essential - can - should - necessary to - need to - should not (shouldn t) - will - won t - unnecessary to - need not (needn t) - it is optional - may - might - have to - sometimes - it is possible - yet - always - cannot (can t) - not required to - strictly prohibited - never - could - often - ought to - don t have to - but - however - an exception is - on the other hand - must not (mustn t)
问题:The Macintosh computer network can only be used A I N
by second and third year students.
声带内容:“The Macintosh computer network is reserved for second and third year students only ...” 考生听到这里为止会认为答案是对的,但句子的后部是:“... unless you are a first year student of the Graphic Design course.”