英语翻译1.we're got only several dozens of pens left ,because al

英语翻译
1.we're got only several dozens of pens left ,because all the rest__
A.have been sold out B.are sold out
2.The glasses manufactured by Blue Company ___comfortably
A.is worn B,wear C.wearing D.are worn
3.please note that our quotation remians __within two weeks.
A.valid B,expired C.validity D.expiring