[ Grammar ]
I used to ____ hard when I was a student.
A. work
B. worked
C. working

Random Topics:
Gerunds + To InfinitiveTenses (Present, Past, Future Forms)Linking Words & PhrasesCountable QuantifiersThere is, There are, Some, AnyPassive Voice - Present ContinuousVocabulary and DefinitionsComparativesSimple Past Tense & Future TenseTenses and Time MarkersOther quiz:
Grammar › ViewI think the government should _____ limit the number of private cars or widen the roads to solve the problem of traffic jams.
A. either
B. neither
C. both
D. not only
Grammar › View
John: ” I am a good student”.
A. John said he isn’t a good student.
B. John is a good student.
C. John said he was a good student.
Prepositions of Place › ViewYour bag is _____ the floor in the kitchen.
A. in
B. on
C. by
Past Modals › View
to form a past modal, you need the verb in the …
A. simple past form
B. base form
C. infinitive from
D. past participal form
