[ Science ]
How long is a day?
A. 24 hours
B. 23 hours and 56 minutes
C. 23 hours and 57 minutes

Random Topics:
Present, Past and Future TenseNounsLanguage Features: Reflective ArticleConditional SentenceModals TensesConjunctive Adverbs and PunctuationPresent Perfect TenseSimple Present - Negative & InterrogativePunctuationGrammar - Place and MovementOther quiz:
Tenses › ViewSituation: You are planning a party for your friend’s birthday next month. You are discussing the plans with another friend. Which tense is appropriate for the sentence, ‘I ___ (order) the cake by next week.’?
A. will order
B. will be ordering
C. will have ordered
D. have ordered
Grammar › View
______ you come to school by bus?
A. How often
B. What
C. Do
D. Does
Grammar › ViewThe book came out yesterday, but I _________________ it.
A. The book came out yesterday, but I have already read it.
B. The book came out yesterday, but I has already read it.
C. The book came out yesterday, but I have already readed it.
Conjunctions › View
Is she happy…….sad?
A. and
B. or
C. but
