What is the full name of the great American short story writer O'Henry?

(Phobia Series)

Now-a-days many villages are lit-- electricity.

(Phobia Series)

The second anniversary celebration of our college will be held on December 15.
Which of the following is the correct phrase for "will be held" above?
(Phobia Series)

Dog days means-

(Phobia Series)

Score-

Species become endangered and even extinct ------- a variety of reasons, many of which are related ------- human activities.

He was advised not to discontinue this medicine ------- this might bring a recurrence of the complaint.

The advent of nuclear power------- the trend to use water-power on a large scale, and hydroelectric installations ------- in all industrial countries with water power potential.

The writers of this article seem to assume the nuclear plants conform with safety requirements ------- the fact that violations are constantly being reported.

If transport costs ------- into consideration at the outset, the plant ------- far from its present site.

----- many diverse animal forms exist ----- exceptions can be found to almost any definition of an animal.

She failed to get anyone to repair the taps for her at the weekend, ------ could she do it on her own.

---------- you have made minimal progress, it is by no means the kind of progress that you need to make.

A theory ------- only when a hypothesis ------- by consistent results from many observations or experiments.

Be sure ------- take a look ------- the article on infant mortality rates.

Score-

'By and large’ means-