[ Grammar ]
Oh no! I _____ my keys. What can I do?
A. lost
B. ‘ve lost
C. ‘m losing
D. had lost

Random Topics:
Preposition & GerundInfinitive FormsVerb Present Simple TenseVerbal and Appositive PhrasesSentence and FragmentSo....that... Such.......thatPast Continuous Tense & Past ModalsComparison of Adjectives and AdverbsAspect or tenses of Verbs3rd Person SingularOther quiz:
Tenses › ViewWe use verbs in past participle with:
A. past simple
B. present perfect
C. future simple
D. past continuous
Verb Tenses › View
Use the present perfect tense in a sentence about your achievements.
A. I have completed several projects successfully.
B. I will complete several projects successfully.
C. I completed several projects successfully.
D. I am completing several projects successfully.
Past and Perfect Tenses › ViewShe ______ (not/sleep) well last night.
A. not sleep
B. didn’t sleep
C. haven’t slept
Grammar › View
… children should play outside more.
A. I can’t believe
B. I learn that
C. In my opinion
D. Do you think that..
E. I totally understand
