L4-U2-P1 HOMEWORK


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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