[ Present Perfect Tense ]
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:
Tenses › ViewI didn’t realise that I ________________ my umbrella on the bus until it started to rain.
A. left
B. have left
C. had left
D. was leaving
Conditionals and Modal Verbs › View
Complete the sentence: If I had a car, I ___ drive to school.
A. can
B. should
C. might
D. would
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
