[ Present Perfect Simple vs Continuous ]
They __________ (not arrive) yet.
A. have not arrived
B. have not been arriving

Random Topics:
Zero and First ConditionalsConjunctions, Prepositions and InterjectionsAdverbs & to beGerund and InfinitivesInfinitive FormsConditional Sentence Type 1Grammar and Passive VoiceHow much and how manyTenses and Figurative LanguageSubject Verb Agreement and Coordinating ConjunctionsOther quiz:
Vocabulary and Grammar › ViewThe __________ you study, the __________ you will understand the material.
A. harder, more
B. hard, much
C. more hard, more
D. harder, most
Modals in the Past - Speculation and Deduction › View
Refugees _________ imagined the hardships they would face when fleeing their home country.
A. can’t have
B. could had
Adverbs of frequency › ViewShe (50%) wakes up early.
A. She never wakes up early.
B. She rarely wakes up early.
C. she sometimes wakes up early.
Grammar: Reported Questions › View
Who was that beautiful woman?
A. She asked me who that beautiful woman was.
B. She asked me who that beautiful woman had been.
C. She asked me who this beautiful woman was.
