<span>And the visitors will find such paintings captivating</span>
<span>1)Corol and Tom were discussing a lot of problems after lessons yesterday.
2)Harry had been looking through the magazines for 20 minutes when he fell asleep.
3)Frank had translates Linda^s speech from Spanish into French by 10 o^clock yesterday.
4)When I arrived at the party some of my friends had gone home.
5) The Writes had been watching a per for mance for half an hour when their son came there.
6)At 3 o^clock last Saturday I wrote a composition for the Russian lesson.
7)By 5 o^clock yesterday Dick had already worked on the computor.
8)The pupils went to school after they had finished their work in the school gaden .
9)The doctor had been examining a child for 5 minutes when he heard some noise in the next room.
10)Peter translateed a very difficult article last Monday.
11)We had been gathering raspberry for 3 hours when it began to rain.
12) Sasha was writing a letter to his friend at this time yeasterday.
13)Yesterday morning Rose got up and looked out of the window.
14)It was raining the whole night yesterday.
15) Sam had been telling Diana about his winter vacation for an hour when somebody rang the doorbell.</span>
Available shades – доступные оттенки
liquid resins – жидкие смолы
certain advantages – определённые преимущества
tremendous characteristics – превосходные свойства
greatest temperature – наивысшая температура
modern chemistry – современная химия
chemical state – химическое состояние
man-made substance – искусственный материал
various plastics – всевозможные пластмассы
different colours – различные расцветки
<span><span>1. </span>We ... to a lecture yesterday at ten o'clock. </span><span><span><span>were </span>listenning</span>
<span><span><span>2. </span>She ... the piano from 11 till 12 o'clock. was playing</span>
</span><span><span>3. </span>When he ... in, I ... my exercises. came, was do</span>ing
<span><span>4. </span>What ... yesterday at 8 o'clock? were you doing</span>
<span><span>5. </span><span>Yesterday when I ... the newspaper, my sister ...to a concert over the radio. was reading,</span></span> was listenning
<span><span>6. </span><span>She ... out of the window when I ... her. was looking, </span></span></span>saw