[ Past Continuous Tense ]
Susan ______(play) the piano when someone knocked on the door.
A. was playing
B. is playing
C. play
D. played

Random Topics:
Adjectives with PrepositionPresent Progressive (Future)Employment VocabularySimple Past - Irregular VerbsConditional Sentences and AdverbsPast Perfect TenseModal RequestsPresent Simple Tense PassivePresent Perfect vs Past Simple TensePassive Voice - Present Simple and Past SimpleOther quiz:
Grammar › ViewI have been waiting for the prices of the houses to come down before buying one, but I think I —- too long and the prices —- to go up again.
A. have waited / began
B. wait / began
C. am waiting / are beginning
Gerund and To Infinitive › View
The form of Gerund is …..
A. Base verb
B. to + base verb
C. Base verb + ing
D. to + Verb-ing
Tenses › ViewThe bus to Singapore ____ at nine in the morning.
A. left
B. leave
C. leaves
D. leaving
Subject Verb Agreement › View
Ten thousand pounds ……………. a lot of money.
A. are
B. is
