[ Present Perfect Tense ]
My sister _______________ a new dress this morning.
A. have buy
B. has buy
C. have bought
D. has bought

Random Topics:
Kinds of NounsCommon ErrorRelative Pronouns with PrepositionsAdverbs of Frequency & Simple Present TenseMix-TensesFuture Time and TensesPersuasive TextPast and Perfect TensesPrepositions after VerbsNoun / PronounOther quiz:
Few vs. Little › ViewThe weather has been very dry recently. We have had ______ rain.
A. Little
B. A little
C. Much
D. Few
Grammar › View
The atmosphere is getting more………because there is more smoke from factories and motor engines.
A. polllute
B. polluting
C. polluted
D. pollution
Phrase and Clause › ViewThrowing papers along the streets
A. Phrase
B. Independent clause
C. Dependent clause
D. None of them are correct
Verb Tenses › View
By the end of this month, I __ for this company for two years.
A. have been working
B. will have been working
C. will be working
D. will work