[ Grammar ]
He _____________ in the field all morning.
A. has been working
B. has worked
C. have worked
D. have been working
Random Topics:
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:
Future Tenses › ViewThey __________ to the beach.
A. are going
B. goes
C. went
D. going
Grammar › View
Earthquakes are one of the scariest natural phenomena ___________ they are so unpredictable.
A. because
B. but
C. so
D. neither
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