Answer:
B. Every Friday, the nanny watches the children at the water park but worries that something will happen to them.
Explanation:
These are the correct singular forms of the verbs.
The answer is going is A : the director gives better presentation than other teams members
We as a human race have the power to do and create great things. We have for millions of years and this is just the next step in technological evolution. I expect cloning to be a public known reality within the next 50 years, but human cloning is already a reality but the common people within society have been told otherwise. unknown knowns