The past perfect continuous tense emphasizes _______________.
A. that an event has finished.
B. habitual activities in the present.
C. that one event was interrupted by another event in the past.
D. the duration of one event in the past, before another event interrupted it.

Random Topics:
Future Tense - will and going toAdverbs by TypeDeterminersPRESENT SIMPLE - CHILDRENFirst & Second ConditionalFuture - Will and Be going toConditional TensesQuestion tag and + - AgreementSubordinating ConjunctionsSimple present/ past/ future tenseOther quiz:
Nouns › ViewThis team is terrible at not being terrible.
A. abstract
B. proper
C. compound
D. collective
Subjunctive › View
Choose the correct sentence using “wish”
A. I wish I am her close friend
B. I wish I were her close friend
C. I wish I are her close friend
D. I wish I was her close friend
Idioms › ViewThe doctors think she can’t pull ___ another heart attack.
a. back
b. through
c. out
Grammar › View
The factory was fined for discharging chemicals into the river. The underlined word has the closest meaning to:
A. charging
B. throwing
C. in charging
D. discounting
