Complete the following sentences.
1Think twice before you take a sip ............... that cola bottle this summer.
Wrong!
The correct preposition after "take a sip" is "from".
2Scientists ............... that excessive cola consumption can lead to everything from muscle weakness to profound muscle paralysis.
Wrong!
"Have warned" agrees with the plural subject "Scientists" and describes a recent warning.
3This is ............... cola drinks can cause blood potassium levels to drop to dangerously low levels.
Wrong!
"Because" introduces the reason for the previous statement.
4A report published in the International Journal of Clinical Practice tells the curious case of an Australian ostrich farmer who ............... emergency care for lung paralysis after drinking 4–10 liters of cola a day.
Wrong!
"Needed" is the simple past form used for a completed past event.
5He made a full recovery and ............... to reduce his cola intake.
Wrong!
"Was advised" is passive because someone gave advice to him.
Done.
Score: 0/5
Answers
- Think twice before you take a sip from that cola bottle this summer.
- Scientists have warned that excessive cola consumption can lead to everything from muscle weakness to profound muscle paralysis.
- This is because cola drinks can cause blood potassium levels to drop to dangerously low levels.
- A report published in the International Journal of Clinical Practice tells the curious case of an Australian ostrich farmer who needed emergency care for lung paralysis after drinking 4–10 liters of cola a day.
- He made a full recovery and was advised to reduce his cola intake.

