[ Present Perfect Continuous Tense ]
… here for over two hours?
A. Does she has been waiting
B. Has she been waiting

Random Topics:
ModifiersPast Simple TensePast Progressive TenseComparative and Superlative AdverbsGerunds in SentencesTenses, Tag Questions, Phrasal VerbsGerunds + To InfinitiveWH- Question WordsWill and Will notArticle & PrepositionOther quiz:
Grammar › ViewQ: _______ are you going to visit?
Ans: Shanghai.
A. Why
B. Where
C. How much
D. What
Modal Verbs › View
Mary _____ speak French fluently.
A. can
B. could
C. will
D. should
Prepositions and Adverbs › ViewThe bird flew _________ the open window to get inside the house.
A. through
B. by
C. into
D. up
Adverb Clauses › View
_________ you eat less sugar, you will definitely lose some weight.
A. even if
B. unless
C. even though
D. if
