Question

he kept gazing at the stars ..........a telescope.
They were quite sanguine.......... the company 's prospects.
They wondered......... my success.
This was the longest train journey I had ever undertaken. (begin : no other.....)
Unless you submit, there is no hope. (remove 'unless ').

Answer 1

1). from

2).for

3). for

Answer 2

He kept gazing at the stars through a telescope.

They were quite sanguine for the company’s prospects.

They wondered for my success.

This was the longest train journey I had ever undertaken.

Unless you submit, there is no hope.

(Remove 'unless ').

In the given passage, we have to include the suitable prepositions to know the real meaning of the passage.