Question

Past Sipmle / Past Continuous

1. - The scientists _______________ (work) in their laboratory when they________________ (discover)
the new drug.
2.- We ________________ (climb) the wall when the gardener ________________ (see) us.
3.-Vicky ___________ (have) a beautiful dream when the alarm clock __________ (ring)
4.- As he ________________ (run) for the bus he ________________ (collide) with a street lamp.
5.- When he _____________ (carry) a suitcase, he ______________ (drop) it on his foot.
6.- ______________ (you / do) your homework on the bus while you ________________ (come) to
school?
7.- The students _______________ (read) the article when the last class ______________ (finish).
8.- When I ______________ (arrive) at the cinema, my friends _____________ (wait) for me.
9.- ___________________ (you / listen) to the teacher when she _______________ (explain) this
exercise?
10.- Susan ________________ (play) the piano while Mary ____________________ (sing).

Answer 1

Ответ:

1.were working \ discovered

2.were climbing \ saw

3.was having \ rang

4.was running \ collided

5.was carrying \ dropped

6.Did you do \ came

7.were reading \ finished

8.arrived \ were waiting

9.Did you listen \ explained

10.was playing \ was singing

Объяснение: