[ Grammar ]
Choose the correct option:
Look at the ashtray. Someone … in here.
A. has been smoking
B. has smoked
C. have smoked
D. have been smoking

Random Topics:
Clauses of ReasonActive and Passive Gerunds and InfinitivesAlong & AgainstAdverbs of Time and PlaceQuestion TagReported Speech and Reporting VerbsSimple Present & Present ProgressiveSecond ConditionalsGrammar and Passive VoiceModal Verbs and Contrastive ConjunctionsOther quiz:
Grammar › ViewMake a list of countries _____ population is greater than 20 million.
A. that
B. whose
C. which
D. who
Grammar › View
Select the verb in the sentence: Michelle came to my house for dinner.
A. Michelle
B. came
C. dinner
D. house
Prefixes Suffixes › ViewI am so ____________ (full of thanks) for such a loving family.
A. thankless
B. thanker
C. thankful
D. thanked
Passive Voice › View
Ardian didn’t type the letter yesterday. The letter …….. by Ardian yesterday.
A. Was typed
B. Was not typed
C. Was not typing
D. Was not typing
E. Will be typed