“I can’t explain this rule to you”, said my classmate to me.
A. My classmate told me he can’t explain that rule to me.
B. My classmate told me he couldn’t explain that rule to me.
C. My classmate told me he couldn’t explain that rule to you.
D. My classmate said me he couldn’t explain that rule to me.

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Grammar and Passive VoiceSentence Types and ConjunctionsGrammar / PronounsPast and Present Continuous tenseModals TensesConditional and Mix Conditional SentenceHope, Thank, Modal Verbswas wereGrammar for TOEFLPresent and Past TensesOther quiz:
Conjunctions › ViewChoose the conjunction in this sentence: “He wanted to come, but he couldn’t.”
A. couldn’t
B. wanted
C. but
D. come
Vocabulary › View
The early computers had a __________ design compared to the sophisticated technology we have today.
A. advanced
B. rudimentary
C. caustic
D. avid
Grammar › ViewSelect the sentence in future tense
A. I am a great writer.
B. She will go to Paris next year.
C. you called last night.
D. they are working in the garden.
Grammar › View
Never dissipate energy resources, but always ……. them
A. Conserve
B. Organise
C. Mobilize