[ Grammar ]
Last night I ______ an email when my friend Tom ________ me.
A. Last night I wrote an email when my friend Tom called me.
B. Last night I was writing an email when my friend Tom was calling me.
C. Last night I wrote an email when my friend Tom was calling me.
D. Last night I was writing an email when my friend Tom called me.

Random Topics:
PronounInfinitive FormsPrepositions of Location, Movement and TimeGerundsPassive and Active SentencesTo Infinitive/Bare Infinitive/GerundsPresent Simple and Continuous TensePast SimpleSynonymWas and WereOther quiz:
Modal Verbs › View_____ you be so kind as to turn down the music?
A. Can
B. Must
C. Could
D. Will
Grammar › View
As soon as we went down to around 15 metres in depth, we ________ a lot of coloured fish.
A. saw
B. have seen
Progressive Tense › ViewYou (learn) English now.
A. were learning
B. are learning
C. will be learning
Grammar › View
I had ________ for my uncle
A. work
B. working
C. worked
D. worke
