—It's so late. Why not write the report tomorrow? —But I don't know _______. I can do it if not now.
In the past few years there ______ great changes in my hometown.
-He didn’t go to the this morning, did he? -______. Though he was not feeling very well.
-Where would you like to go on your summer holiday, Mike? -I’d like to go ______.
They were all so tired that they could ______.
How much does the ticket ______ from Shanghai to Beijing?