[ Grammar ]
He _____________ in the field all morning.
A. has been working
B. has worked
C. have worked
D. have been working
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Pronouns and AntecedentsModal Verbs and Gender NounsLanguage Features of an Opinion ArticleDefinite ArticlesParts of Speech and Compound SentencesConnectivesDEGREE COMPARISONKinds of NounsPrepositions of Location, Movement and TimeFuture Perfect TenseOther quiz:
Vocabulary › ViewPEEL: Shall I peel it?
A. Let it sit in water for a long time
B. Take the skin off it
C. Make it white
D. Cut it into thin pieces
Subject Verb Agreement › View
Ham and cheese ______ my favorite breakfast food.
A. is
B. are
Grammar › ViewTim … 18 last month.
A. turn
B. turned
C. make
D. do
Vocabulary › View
The study was ___________ by many experts.
A. reviewed
B. review
C. reviewing
D. reviews