Fill in the gaps with the Past Continuous of the verbs in brackets.

a) The teacher __________ (not talk) when Mary arrived.
b) The pupils __________(play) when the bell rang.
c) Lucy __________ (do) her homework when someone knocked the door.
d) Mark´s parents __________(write) him a letter when they heard a crash.
e) Ann __________ (not sleep) when the alarm clock rang.
f) They __________(not watch) TV when their parents arrived.

a) The teacher wasn't talking (not talk) when Mary arrived.b) The pupils were playing (play) when the bell rang.c) Lucy was doing (do) her homework when someone knocked the door.d) Mark´s parents were writing (write) him a letter when they heard a crash.e) Ann wasn't sleeping (not sleep) when the alarm clock rang.f) They weren't watching (not watch) TV when their parents arrived.