What does the word “this” in the first paragraph refer to in the passage?

The President resigned; the whiff of scandal remained ____________.

Just as remote-controlled satellites can be employed to explore outer space, _______ employed to investigate the deep sea.

Can we (ARRANGE) _____________the meeting for next Monday at 7?

I try to remember your name but I am afraid I cannot remember it.

If you can win his attention ___________ for you.

Judy decided to wait until after she had taken her exams before having her wisdom teeth pull.

What a (WORRY) ______________pair of children. They have to be watched every minute of the day.

Malnutrition is a major cause of death in those countries where the cultivation of rice have been impeded by recurrent drought.

Read the sentences carefully and choose the best answers to make complete ones.

From 1949 onward, the artist Georgia O’keeffe made New Mexico _______.

I regret not going to the airport to say good bye to him.

I wish ___________________________________________________.

Small children should be watched ____________ carefully.

Do all the washing, please!  

Mick thought that we were married.

Mick was under _________________________________________.