[ 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:
Simple Past Tenses › ViewHe ___ his keys in the car.
A. leave
B. left
C. leaves
Conditionals › View
I _____________ ( go ) there unless they _____________ me.
A. will go/ don’t invite
B. won’t go/ don’t invited
C. wouldn’t go/ invited
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
