I … about that book until you mentioned it.
A. hadn’t heard
B. hadn’t been hearing

Random Topics:
Preposition of PlacePast Continuous vs Past SimpleSynonymsParticiple - ing/ edPast Perfect SimplePassive Voice and Relative ClausesThird ConditionalsArticles & Compound NounsArticles with Proper NounsContinuous and Perfect TensesOther quiz:
Conjunctions & Interjections › ViewIn the following sentence, which word is the conjunction? “Because Carol practices daily, she is a good musician.”
A. Because
B. Carol
C. good
D. practices
Passive Voice in Past and Present Tense › View
The gardener waters the flowers every evening.
A. The gardener are watered the flowers every evening.
B. The flowers is watered by the gardener every evening.
C. The flowers are watered by the gardener every evening.
D. The gardener is watered the flowers every evening.
Present Simple & Present Continuous › ViewThe sun (1)__________ , and you (2) ___________ in the right place to take the photo.
A. (1) shine … (2) do not stand
B. (1) shines … (2) is not standing
C. (1) is shining … (2) are not standing
D. (1) shines … (2) are not standing
Future Tense › View
Hurry up! The conference (begin) in 20 minutes.
A. will begin
B. is going to begin
C. will be beginning
D. begins
