Answers

2016-03-21T21:27:49+08:00
'In' is used when something or someone is inside something, for instance, 'in the cupboard'. 'On' is used when something is placed above something, for instance, 'on the table'. Have is used when the noun is plural, for instance, 'You have been..'. Has is used when the noun is singular, for instance, 'She has a...'. Had is used for past tenses.
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