Topics: Tenses
They ___________ sailing since yesterday. I think they’ve lost the route.
A. Have
B. Have been
C. Has been
D. are
Select your answer:

Random Topics:
Grammar - Punctuation of SentencesTenses of VerbsTOEFL GrammarComparison and ModalsPast Tense, Recount Text, and Future TenseFOR & SINCE3rd Person SingularAdjectives-Comparison, SuperlativeModals and Comparative SuperlativeNoun, Quantifiers and SuffixesOther quiz:
Vocabulary › ViewShe wants to __________ her goals, and she works hard to make them happen. She has a clear vision and a plan.
A. achieve
B. appeal
C. Express
D. regret
Grammar › View
During his stay on the farm, all he did was ________ the farmers plough the field.
A. watch
B. watches
C. watched
D. watching
