摘要:7.-When the toothbrush ?
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I ______ have been more than six years old when the accident happened.
- A.shouldn’t
- B.couldn’t
- C.mustn’t
- D.needn’t
We ______ the national flag when the sun ____ in the east every morning.
- A.raise; raises
- B.rise; rises
- C.raise; rises
- D.rise; raises
I ________ along the street looking for a place to park when the accident ________.
- A.went; was occurring
- B.went; occurred
- C.was going; occurred
- D.was going; had occurred