[ Tenses ]
If he ___ harder last year, he would have passed the exam.
A. studies
B. studied
C. had studied
D. has studied

Random Topics:
The Past SimplePersuasive TextDirect and Indirect SpeechGrammar of Future PlansVocabulary and Sentence StructureNoun and Modal VerbsGrammar of Conjunctions and PrepotitionsVerbs - third personModals of DeductionModals and Past TensesOther quiz:
Grammar › ViewThe best time _________ the Flag Tower of Ha Noi is during the evening when it lights up.
A. visiting
B. visited
C. to visit
D. to be visited
Grammar › View
The thief …………….. to escape by the back door because it was locked.
A. able
B. was able
C. was unable
D. could able
General Knowledge › ViewWhat is the coldest continent of Earth?
A. Asia
B. America
C. Europe
D. Antarctica
E. NONE OF THE ABOVE
Grammar, Conditional Sentences, Vocabulary › View
We might have been at the airport for hours, if we _______ that the flight was delayed.
A. had known
B. had not known
C. know
D. knew
