Alow-carbon(低碳)lifestyle has an effect our daily life.More and more attention has been paid to Energies these days.
----How long _________ she _______ this book ? ----She _________it from the library two weeks ago. A. has, kept; borrowed B. has, kept; lent C. has, borrowed; borrowed
Nothing can be done _______ he returns.
We must ________ourselves _______our work.
—Could you tell me when________ in Bangkok? —Sorry, I don’t know. I even want to know what to do when ________.
Our teacher found her ___ and gave her some different homework to do every day.