[ Grammar ]
Keri was angry. She …………………. for Sarah for two hours.
A. waited
B. had been waiting
C. had waited
D. was waiting

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How often - long - much - manySecond ConditionalBare Infinitive and To InfinitivePunctuating Clausesused to vs be used to vs get used toParticiple Clauses & Cleft SentencesVocabulary : Coming & GoingAdverbs of Manner, Likes and PreferencesPhrasal Verb & Prepositional PhraseConditional ClauseOther quiz:
Tenses › ViewShe arrived at the library at 2 p.m. She is at the library. She plans to leave the library at 4 p.m.
In 2 hours, she ______________ the library.
A. left
B. leaves
C. will be leaving
D. will leave
Phrasal Verbs › View
You have to _________ many difficulties in life.
A. pick up
B. put down
C. go through
D. turn out
Grammar › ViewA number of humanitarians working here ______ volunteers.
A. is
B. are
Tag Question › View
Your brother teaches English, _________?
A. does he
B. doesn’t he
C. do he
D. isn’t he
