The answer is A: repairing. None of the other answers give the reader the idea that Nelson is in fact skilled at his hobby.
"Repairing" would be the most appropriate choice to replace "tinkering", this would indicate that he is skilled at his hobby.
The technological advancement implies that scientists are working day and night. This is a sentence containing implies.
The antonym for "ate" in the sentence "my friend and I ate" would be "fasted" or "abstained" as it implies not consuming food.
Implies can be like indicates when talking about something. "The way she talks about him implies that he is sailor" John said.
No
The narrator implies that Miss Emily's father tended to do all of the following except showing her love and affection.
The word "following" implies the existence of a list. No such list is given.
Go now! (it implies understanding)
"Stay Alive."
It implies that most of the boys are following both soccer and basketball.
5.000
That question implies a fact not demonstrated.