Without your help, I couldn’t overcome the problem.
A. if you hadn’t helped me, I couldn’t have overcome the problem
B. if you hadn’t helped me, I couldn’t overcome the problem.
C. If you didn’t help me, I couldn’t overcome the problem.
D. If you don’t help me, I can’t overcome the problem.

Random Topics:
Present tense AffirmativeOn, At, BySubject-Verb AgreementAction VerbHomophonesCommasDefinite, Indefinite and Zero ArticlesGrammar - used toAuxiliary Verbs, if, unless and ModalModals and Present TensesOther quiz:
Simple and Continuous Present Tense › ViewI´m walking into the classroom _________________. I´ll phone you later.
A. always
B. often
C. at the moment
D. every year
Preposition of Time › View
The bus collected us ________ 5 o’clock early ________ the morning.
A. at/on
B. at/in
C. on/in
D. X/on
Grammar › ViewThe laptop was / is heavier than the tablet.
A. was
B. is
Tenses › View
Convert to present perfect: He (finish) his homework yesterday.
A. He finished his homework yesterday.
B. He has finish his homework.
C. He is finishing his homework.
D. He has finished his homework.
