[ Articles & Preposition ]
Our air conditioners cost around $1,000, ____ our competitors’ air conditioners cost at least $2,000.
A. since
B. for
C. while

Random Topics:
Adjectives and ArticlesModal Auxiliary VerbsPassive of Modal VerbsTenses: Present simple, Past Simple, Future SimplePresent Simple PassiveModal Verb Gerund or To InfinitiveSimple Present and Present Continuous TenseLanguage Features of an Opinion ArticleTAG QuestionsNoun Phrases and AdverbialsOther quiz:
Auxiliaries Verb › View………………. I have a word with you?
A. Will
B. Shall
C. Can
D. Must
Prepositions and Phrasal Verbs › View
She called …… help but tgere was no one …… the vicinity.
A. in … at
B. for … in
C. from … by
D. off … along
Past Tenses › ViewWhere _____ you _____ this car?
A. was … buy
B. did … bought
C. did … buy
D. have … buy
Tag Questions › View
It’s not going to rain, _________?
A. going it?
B. isn’t it?
C. is it?
D. won’t it?
E. has it
