Question

Editing
Scientists has developed novel skin
Sensors that allow
Mobile devices to be control from any
Point on the body.
This advance were challenging
Because such
Sensors can not measure touches precise
Enough, nor will capture the
Multiple fingertips simultaneous.

Answer 1

Incorrect:- Correct:-
•has •have
•that •which
•from •by
•this •these
•touch •touch
•will •can

Answer 2

Incorrect:- Correct:-

•has •have

•that •which

•from •by

•this •these

•touch •touch

•will •can