____ the popularity of the BPT39 wireless speaker, production will be increased fivefold starting next month
A. On behalf of
B. Whether
C. Moreover
D. As a result of

Random Topics:
Grammar TOEFLSynonyms and VocabularyGerund or InfinitivesGrammar: so and suchAdverbial Clause of ConcessionSimiles and Body IdiomsGrammar Present Perfect (ever never)Future Tense VocabularyPre-intermediateVerb-ing and InfinitiveOther quiz:
Vocabulary & Grammar › ViewTo make an urgent, emotional statement or request for something.
A. to plead
B. to contemplate
C. to dribble
D. to wear smb out
Parts of Speech › View
What is the best way to write this sentence?
James has two pet mouses.
A. James has two pet mouse.
B. James has two pet mice.
C. James ahs two pet mices.
D. Fine as is.
Mukai Chiaki, the first female Japanese astronaut, ……….. 15 days aboard the space shuttle Columbia in space before it …….. to the Earth on July 23,1994.
A. spent – had returned
B. had spent – returned
C. was spending – was returning
D. spent – was returning
Phrasal Verb › View
Our teacher gets really _________ when we don’t do homework.
A. nervous
B. worse
C. better
D. angry
