---Will you stay for the dinner?
---Sorry,__________. The cookers I bought online will be sent to my house this afternoon.
A．I can’tB．I mustn’tC．I needn’tD．I shouldn’t
A

試題分析：考查情態(tài)動詞辨析。Can’t 不能夠；不可能；mustn’t禁止，千萬不能；needn’t不必；shouldn’t不應(yīng)該；句意：你能留下來吃晚飯嗎？—對不起，我不能留下來。我在網(wǎng)上買的東西今天下午就要送到我家里了。故A正確。
點評：情態(tài)動詞就是表示說話者對事情的一種看法，也就是一種語氣。情態(tài)動詞的用法一直是命題者常設(shè)置的考點和重點，平時要加強記憶。值的注意的是，中學(xué)階段的情態(tài)動詞�？碱~有13個，can-could may-might should-ought to had better will-would   need  have to .考生應(yīng)注意對這13個情態(tài)動詞的用法多總結(jié)，多運用
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