[ Present Simple & Continues ]
Please be quiet. I …… trying to concentrate.
A. Am
B. Is
C. Were
D. Are

Random Topics:
If ConditionalsModals Deduction: cant /mustPronouns and Subject Verb AgreementGrammar (Adjectives)PunctuationsGrammar & TensesAdjectivesGrammar: AgreementGerunds and InfinitivesProgressive TenseOther quiz:
Present Perfect Tense › ViewMike and Tim _________ ________ (not, eat) the pineapple
A. has not
B. have eaten
C. has eat
D. haven´t eaten
Present/Past/Future Continuous Tense › View
They …. eating lomo saltado for lunch …..
A. Aren’t- Today
B. Isn’t- Now
C. Are- Now
D. Do- Tonight