[ Grammar ]
The staff __ (work) all day. They deserve a break.
A. has been working
B. have been working
C. have worked
D. has worked
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Grammar - First ConditionalAdjective ClausesUsed to - Would - TensesAdverb of MannerWH Questions and Simple Past TenseModal and Modal PerfectAdverb Clauses of TimePrepositions of Time, Place, and MovementPunctuationPrepositions after VerbsOther quiz:
Grammar and Vocabulary › ViewAncestor worship is ………………….most important religious activity among the Bru-Van Kieu.
A. the
B. a
C. –
Grammar › View
Now everybody knows where you live.
You shouldn’t ….. ….. your complete address to your online friends.
___
A. have given
B. give