[ Active and Passive Voice ]
Which sentence is in the present perfect tense?
A. I will go to the store.
B. They are playing soccer.
C. She has finished her homework.
D. He loves his grandmother.

Random Topics:
Direct and Indirect SpeechModals and Past ModalsReported SpeechQuestion TagQuestion WordsIf Conditional Zero and OnePerfect Tenses and VocabularySimple Present - Negative & InterrogativePresent, Past and Future TenseRelative & Interrogative PronounsOther quiz:
Grammar › ViewThen I ______ that there should be in the minerals some unknown element having a much greater radioactivity than uranium or thorium.
A. am thinking
B. think
C. had thought
D. thought
Modal Verbs › View
Which transition best introduces an example? “Some students are struggling with math; ___, John has difficulty solving equations.”
A. For instance
B. Therefore
C. Moreover
D. Consequently
Adverb of Concession › ViewTom wakes up everyone ……………….. playing the guitar very softly (rất nhẹ).
A. because
B. in spite of
C. when
D. although
Countable Noun › View
Your _____ are due on September 15th.
A. Essay
B. Essays
