They ___________ a lot the days before, so they were ready for the exam.
A. had studied
B. had study
C. haven’t studied
D. hadn’t studied

Random Topics:
Gerunds + To InfinitiveArticle & PrepositionAlthough / DespiteIf ClausesComparative - SuperlativeAdverbs (manners & modifiers)Comperative and SuperlativePassive Voice with ModalsNeither/Either/All/NoneGrammar - Countable/ UncountableOther quiz:
Grammar › ViewGrammar: Section 1. Passive or Active Voice. Choose the correct option for the active and passive sentences.
People said that the President is ill.
_
A. The President is ill people were said.
B. It was said that the President is ill.
C. The President was ill people was said
D. People were said the President is ill.
Idioms › View
The time a train, bus or plane arrives is when it ___.
a. gets away
b. gets in
c. gets over
“The children played outside.” What kind of adverb is “outside”?
A. Adverb of manner
B. Adverb of place
C. Adverb of frequency
D. Adverb of time
Grammar › View
I _ going to do my homework this Friday.
A. am
B. is
C. are
D. was
