Topics: Perfect Tenses
My back hurts because I … here for three hours.
A. was standing
B. have stood
C. have been standing
D. had been standing
Select your answer:

Random Topics:
Grammar and AdverbsModals in the PastSubject Verb Agreement Irregular VerbUnderstanding Product Packaging and TensesAbilityAdverbs of TimeSubordinating ConjunctionsIf/Unless - Conditional type 1Used toSo....that... Such.......thatOther quiz:
Grammar › ViewYou can’t play on the computer. Dad …… it.
A. is using
B. are using
C. use
D. uses
Conjunctions and Commas › View
___________ Samantha is tired, she continues to work.
A. Because
B. So
C. Although
D. If
