[ Mixed Present Tenses ]
I ………………………( try)to call the internet company all morning but I can’t get through.
A. have tried
B. am trying
C. have been trying
D. have try

Random Topics:
Present Simple TenseGrammar - Sentence StructureHabitual and Continuous TensesMuch, many, a lot of, a few, a littleGrammar AssessmentSimple and Continuous TensesPronoun-Verb AgreementPreposition and ConjunctionAdverbs and AdjectivesPresent Perfect ContinuousOther quiz:
Grammar › ViewWhen his girlfriend came, he _________ his car.
A. cleaning
B. cleans
C. is cleaning
D. was cleaning
Clause Markers TOEFL Grammar › View
Complete the sentence with the best clause marker:
The Mossi people of West Africa use talking drums as a means of preserving their history, _________ has been handed down generation to generation.
A. when
B. which
C. so that
D. how
