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 |
试题答案
B
解析

An awful accident_____,however,occur the other day.
| A.does | B.did | C.has to | D.had to |
B
解析