[ Tenses ]
Listen! I _________________ (think) someone _________________ (knock) at the door.
A. think – knocks
B. thought – is knocking
C. think – is knocking
Select your answer:

Random Topics:
Verbal TensesModal Verbs of PossibilityWish SentenceWish SentencesPersonal pronouns + possessive adjectives + Introgative pronounsCollocations & TensesPunctuating ClausesArticles & Compound NounsAdjectiveModals & ConditionalsOther quiz:
Science › ViewWhat is the label for the volume of solids?
A. Liters
B. Cm3
C. Grams
Future Simple › View
The weather tomorrow _____ (be) warm and sunny.
A. will be
B. is
C. is going to be
