Tom and Erik ___________________(not/see) the asteroid.
A. hasn’t see
B. haven’t see
C. hasn’t seen
D. haven’t seen

Random Topics:
Passive SentencePresent Perfect and Simple Past TenseGrammar TOEFLSo - Too - Either - NeitherPast Perfect Simple TenseVocab CheckingNouns as AdjectivesAdverb of FrequencyVerb ConjugationTransitional Phrases and ConjunctionsOther quiz:
Grammar › View____________________ flowers in the living room.
A. There isn’t
B. They aren’t
C. There aren’t
Adverbial Phrases › View
What is a FRONTED ADVERBIAL?
A. A word, phrase, or clause used to modify an adjective.
B. A word, phrase, or clause used at the beginning of a sentence to modify a noun.
C. A word, phrase, or clause used to modify a preposition.
D. A word, phrase, or clause used at the beginning of a sentence to modify a verb.
Phrasal Verb › ViewWhat phrasal verb means “to provide information, usually spoken”? I missed the meeting. Can someone ______?
A. fill me in
B. fill me out
C. keep me up
Tenses › View
The children …………. TV when they heard their mother’s footsteps. (watch)
A. watched
B. were watching
C. have been watching
D. have watched