[ Past Tenses ]
I ________________ a lot to make this presentation.
A. was researching
B. researched
C. has researching

Random Topics:
Third Grade ExamVerb-ing and InfinitiveSentence TypesSecond and Third ConditionalArticlesGrammar - Place and MovementPast and Present Continuous tenseAlthough, Though, In spite of, DespiteComparison and ModalsModals, Phrasal Verbs, Gerunds and InfinitivesOther quiz:
Subjunctive › ViewShe would have helped you if you … asked her.
- have
- had
Vocabulary › View
Beyonce is so famous that she is known all over the ______
A. globe
B. cable
C. talent
Grammar › ViewWe want to play tennis. I wish _____ stop raining.
A. it would
B. it had
C. it will
Conditionals / Unreal Past › View
If I … noticed Nick, who was in awful mood, I would have stopped him.
A. –
B. have
C. had
D. would have
