Выберите один из предложенных вариантов ответа:
The lessons are usually over (at/in/on) three o'clock.
The day (in/on/at) which the President of the United States is inaugurated is the 4th of March every leap year.
She is a very punctual person. Something very special must have happened to prevent her from coming (in/at/on) time.
The new product line must be launched (until/at/by) 1st June.
Mr. Frederick is busy (in/at/on) the moment. You can leave him a message and he will call you back as soon as he is free.
I've been waiting for Tom (since/for/from) 6 p.m.; I wonder if he's lost his way.
My daughter did so well in her studies that she graduated from high school (in/on/at) the age of 18.
I tried to persuade him but (in/at/from) the end I gave up.
If we ever go camping again, it's going to be (at/in/on) summer, not autumn.
Jill started a new job a few weeks ago. Before that she was out of work (during/in/for) three months.
She has every intention of completing this project (for/within/since) a week.
Mr. Hutchinson is 63. He'll be retiring from his job (over/in/at) two years' time.
Why don't you come for a drink (at/in/on) Saturday evening?
I'm going on a three-day study trip tomorrow. I'll be away (by/until/to) Monday.
She felt a certain obligation towards him because of everything he had done for her (in/on/at) the past.
She has been sitting and waiting for the mail to arrive (-/since/on) all day long.
Prices in the shops have hit the roof (at/since/over) the last few weeks.
We got to the airport (at/in/on) time to have a coffee before checking in.
A notice at the door reads "Opening hours: (since/from/at) 9 a.m. (till/by/at) 5.30 p.m."
This practice of changing the clocks twice (-/in/within) a year is a real pain. Many of us take the best part of a week to recover, especially (during/in/until) spring when we "lose an hour".