[ Tenses ]
The earth … once within 24 hours every day.
A. Rotated
B. Rotates
C. Rotating
D. Rotate

Random Topics:
TOEFL GrammarPrepositions and AdverbsAuxiliary Verbs (be, do, have)Main Idea and Sentence StructureSentence Adverbs & Third ConditionalConnectives (because, due to, owing to, because of)Grammar: SyntaxGrammar - to beGrammar - Punctuation of SentencesModal Auxiliaries and Similar ExpressionsOther quiz:
Tenses › ViewHe doesn’t know how to light a fire. He ____ himself
A. will be burning
B. burns
C. will burn
D. is going to burn
Narrative Tenses › View
Which tense is commonly used for flashbacks or actions that happened before the main story?
A. Present perfect
B. Past continuous
C. Past perfect continuous
D. Past perfect
Simple Present Tense › ViewDo you __________(like) chocolate milk shake?
A. Like
B. Likes
C. Be like
Grammar › View
What (you / do)———- yesterday?
A. you were doing
B. you was doing
C. you doing
D. was do
