[ Present Perfect Tense ]
They have __________________ arrived.
A. Just
B. For
C. Since
D. Yet

Random Topics:
Past Tense and Past ContinuousGrammar RulesPersonal PronounAdverb or AdjectiveVerbs and AdverbsVerbs - third personMesopotamia VocabularyModals and ResponsibilitiesConjunctive AdverbsThe -ing Form of VerbsOther quiz:
Grammar › ViewStudents _____ walk slowly in the hallway, so they _____ get hurt.
A. has to/ won’t
B. can/ will
C. do/ will
D. must/ won’t
Comparative Adverb › View
Blue whales _____ animals that have ever lived.
A. Is larger than
B. Is the largest
C. Are the largest
Grammar › ViewI ………….my paper for the conference since two days ago.
A. am not submitting
B. haven’t submitted
C. didn’t submit
D. don’t submit
Past Tense › View
I was ———breakfast
A. have
B. had
C. having
D. has