An awful accident, however, occur the other day. A. does B. did C. has to D had to 此題正確答案應(yīng)選B.句末的the other day意為“前幾天 .所以句子應(yīng)用過(guò)去時(shí)態(tài).而選項(xiàng)D填進(jìn)去不合題意.故選B.此句有兩個(gè)難點(diǎn):一是句中插有however一詞.分散了同學(xué)們的注意力,二是所填選項(xiàng)B為強(qiáng)調(diào)用法. 【查看更多】

 

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An awful accident ______ however occur the other day.

[     ]

A. does
B. did
C. has to
D. had to

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An awful accident ____, however, occur the other day.

  A. does             B. did             C. has to          D. had to

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An awful accident ______, however, occur the other day.

A. does　　　　 B. did　　　　　 C. has to 　　　 D. had to

 

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An awful accident ______, however, occur the other day.

A. does　　　　　　　　　　    B.did　　　　　　　　　　　　    C.has to　　　　　　　　　　   D.had to

 

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An awful accident ______, however, occur the other day.

A. does　　　　　　　　　　    B.did　　　　　　　　　　　　    C.has to　　　　　　　　　　   D.had to

 

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