[ Grammar ]
I have been waiting here ….. an hour.
A. ago
B. since
C. than
D. for

Random Topics:
as...as, comparatives, superlativesTransitional Phrases and ConjunctionsGrammar : Must (Necessity)Modals Of SpeculationArticle and Order of AdjctiveArticles and PrepositionsConditionals and Modal VerbsAuxiliary Verbs, if, unless and ModalConditional Sentence 0, 1Compound and Complex SentencesOther quiz:
Passive Voice › ViewThe conference room ___ at the moment.
A. is being used
B. had been used
C. was being used
Modal Verbs › View
What is the interrogative form of “I used to live in a big city”?
A. Did you use to live in a big city?
B. Did you use to live in a small city?
C. Did you use to live in a village?
D. Did you use to live in a town?
Tenses › ViewYesterday, my friend ___ me with my homework.
A. helps
B. help
C. will help
D. helped
Vocabulary › View
to take in
A. forest
B. absorb
C. dramatic
D. dedication
