[ Grammar ]
Mark _____________ (study) biology since high school. (PRESENT PERFECT TENSE)
A. has studied
B. had studied
C. will have studied

Random Topics:
Prepositions of Place & TimeAdjectives and AdverbsGerund - to Infinitive Verb & GrammarSubordinating ConjunctionGrammar : Structural Common Errorsanother/the others/each other/one anotherVerb FormsIN, ON & ATFuture Tense and ConditionalsOther quiz:
Grammar › ViewLee didn’t eat breakfast or lunch
He____be hungry now
A. can’t
B. must
C. might
Have to/Has to › View
He __________________________(clean) the house.
A. have to clean
B. have to cleans
C. has to clean
D. has to cleans
Adverbs › ViewWhat is the adverb in the sentence?
The soldiers bravely fought.
A. soldiers
B. fought
C. bravely
D. the
Places in Town › View
Is there a post office next to the park? No,
A. it isn’t
B. there isn’t
C. there aren’t
