Be careful.the knife is very sharp.you may а.youself b.yourselves c.yourself d.you can i borrow your pen a.yes,i can b.sure c.yes,you are d.yes i do how long have you been living in london? a.for 7 years b.at least 7 years c.since 7 years d.7 years ago we haven’t a.a lot b.some c.any d.many peter fly to san francisco tomorrow a.to going b.goes to c.is going to d.go to
