Question

make a sentence on the word keep..from(=prevent) ...and the wors expert though he was

Answer 1

he grabbed my arms to prevent me from falling.

hope this helps u

Answer 2

The two groups that are provided are:

keep...from (dots suggest a requirement of a word in between keep and from)

expert though he was

The answer with the utilization of the words in the query is mentioned beneath, respectively.

The punishment could not keep Baker from writing down the lecture.

Expert though he was in brain surgery, Blacker did not have any grasp over the disease identification