[ Grammar ]
Grandpa ________ the letter yesterday
A. have mailed
B. has mailed
C. maliled

Random Topics:
Conditional Sentence Type 2 and Type 3Vocabulary and PhrasesAdverb of FrequencyComparative AdjectivesPrepositions after Verbs and AdjectiveInterrogative PronounsCoordinating & Subordinating ConjunctionsPresent Perfect Simple & Present Perfect ContinuousVerb to beIndependent ClausesOther quiz:
Second Conditional › ViewMy brother … with some friends if he goes to the park.
A. play
B. do not play
C. does not play
D. plays
Modal Perfect › View
Unless he runs he______ catch the train.
A. will
B. musn’t
C. wouldn’t
D. won’t