“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
_____ is estimated is that 300 million farmers will become urban dwellers in three decades.
_______ is not the story itself but the lovely characters in it _______ make children interested in the cartoon.
The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good _______.
You _______ have told her the bad news last night, because she wouldn’t handle it peacefully.
Huang yong wasn’t admitted into Qinghua University, _______ made his parents and him disappointed.