This is ____ my pen. I’m writing with ___ pen.
Jack _______ school two years ago and he______ for two years.A. left, has goneB. left, has been awayC. leaves, has been away
---Could I clean the bedroom for you?---No, thanks. I _______ it myself.
-Have you read this book?-Yes.I _______ it two weeks ago.
Sixteen-years-olds shouldn’t ______ to go to an Internet bar.
—Hi,Jack! Where_________ you ______ these days?—I _________ Beijing for about 2 weeks.