I _______burned my finger. I ______been playing with the lighter.
A. shouldn’t have – could have
B. might have – shouldn’t have
C. couldn’t have – should have
D. could have – shouldn’t have

Random Topics:
Future Continuous TensePreposition and Word FormPrepositions - ConjunctionsTenses - Present and PastSo / Neither / Either / TooFirst and Second ConditionalAdverbs and Adverbial PhrasesAdverbial ClauseAsking for and Giving OpinionFuture PassiveOther quiz:
Phrasal Verb › ViewDentists ……that cleaning teeth after meals and avoiding eating sweets and sugary foods prevent tooth decay.
A. Give away
B. Get over
C. Point out
D. Give in
Tenses › View
Life ____ greatly since Thomas Edison ____ the first light bulb in 1879.
A. is changing / was inventing
B. has been changing / has invented
C. has changed / invented
D. changed / has been inventing
Grammar › ViewTim ……………………. his homework before his mom came back from work.
A. has done
B. had been doing
C. had done
D. had been done
Grammar › View
Ms. Roland will be away on a business trip from Monday to Wednesday ____ can be reached by email in her absence.
A. which
B. that
C. but
D. though