[ Identifying Tenses ]
– They were working on her computer.
– They have already left
A. Present progressive / present perfect
B. Past progressive/ Past perfect
C. Past progressive / Present perfect
D. Past progressive / Present simple

Random Topics:
PRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTPresent simple & ContinuousContractions and ConjunctionsPresent Simple & ContinuesComplex PrepositionsPresent simple, Present continuous, Singular, PluralModals and ConditionalsGrammar (Adverbs, Prepositions, Prepositional Phrases)Auxiliary Verbs (be, do, have)Past PerfectOther quiz:
Grammar › ViewDuring a movie on T.V. ______________are shown during the break. –
A. advertisements
B. advertised
C. beauty
D. discussion
Articles and Prepositions › View
This car belongs _____ Jennifer. You should ask her first.
A. to
B. in
C. at
D. for
Idioms › ViewNobody is interested so let’s just cancel the whole thing.
a. scratch
b. sell
c. surf
Grammar › View
She will be late if she ……………… now.
A. doesn’t leave
B. don’t leave
C. leaves
