[ Grammar ]
How _________ (the accident / to happen)?
A. did the accident happen?
B. did the accident happened?
C. do the accident happened?

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PhrasesVerbs and AdverbsWas and WereTOEFLArgumentative VocabularyMixed Present TensesAcademic VocabularyIrregular AdjectivesPresent Tenses and ConnectorsModal VerbsOther quiz:
Grammar › ViewWhich sentence correctly uses the phrasal verb “made of”?
A. The vase is made of porcelain.
B. The backpack is made of leather.
C. The spoon is made of silver.
D. The paper is made of wood.
Grammar › View
Last night we _______(walk) to the cinema.
A. walk
B. walks
C. walking
D. walked
Modals › ViewA pilot _____ wear a uniform when he’s at work.
A. has to
B. must
Grammar › View
Which sentence is written correctly?
A. The too lieutenant generals walked swiftly two their posts.
B. The two lieutenant generals walked swiftly too their posts.
C. The two lieutenant generals walked swiftly to their posts.
