1.First, he was reading the message. Then, he called his boss to inform him about the accident.
a) read / called b) was reading / called c) read / was calling
d) was reading / was calling
2. John looked tired this morning. He had studied all night long.
a) had been studying b) had studied c) was studying d) studied
3. Her mother started the window when it had cleaned to rain.
a) cleaned / started b) had been cleaning / started c) were cleaning / started
d) cleaned / were starting
4. Larry drove a car while he the played guitar.
a) was driving / played b) drove / played c) was driving / was playing
d) drove / had played
5. He has been walking when he slipped a banana skin.
c)has been walking / slipped
6. Jennifer Aniston starred in a number of successful films.
d) starred
7. Claire was so excited. She signed important contract
d) signed
St Louis park
Вопрос нормально не задан, поэтому я выбрал это)