[ 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:
Grammar › View “I want to go to the mall,” said the man, “so that I can buy some milk.”
A. Correct as is
B. I, So
C. I, so
D. I, So
Grammar › View
I get my bicycle ____ by the mechanic
A. repair
B. to repair
C. repaired
D. to be repaired
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
