01.
1. have been 2. was held 3. have gotten
02.
happened , hit , caused, blocked, darkened
died , death, collapsed, led
01.
1. arteries and veins 2. digestion
3. carbon dioxide 4. nervous
5. immune
02.
1. in divorce 2. without interruption
3. take a vacation 4. it won't happen again
5. had enough of you
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