The kids ______ since one o’clock, it’s time to wake up.
A. slept
B. have slept
C. had slept
D. will sleep

Random Topics:
Singular and Plural NounsPronouns, Verb, ConjunctionConditionals / Unreal PastGrammar - SimilesCompound and Complex, ConditionalsWill vs Verb InfinitivesSubject, Object, Possessive Pronoun and Possessive AdjectivesSubordination ConjunctionsConditional Sentence Type 2Pronouns and AdverbsOther quiz:
Punctuating Clauses › ViewIdentify the correctly punctuated sentence: He bought tickets for the concert because he likes the band.
A. He bought tickets for the concert, because he likes the band.
B. He bought tickets for the concert because he likes the band.
C. He bought tickets for the concert: because he likes the band.
D. He bought tickets for the concert; because he likes the band.
Tenses › View
The choir _____ the national anthem (国歌) every Monday.
A. sing
B. sings
C. sang
D. singing
Grammar › ViewIdentify the helping verb in the following sentence.
I have told you a thousand times to to call me Shirley!
A. thousand
B. times
C. have
D. told
Adjective › View
There is nothing more ___ than a good meal.
a.satisfying
b.satisfied
