To tell ________truth,the future is still a long way to go;we just arrived at ________crossroads,________new turning point;we will face a new challenge.
Mr.Smith was much surprised to find the watch he had had _______was nowhere to be seen.
Only when class began _______that he had left his book at home.
The students in this college are all taking courses _______a degree.
----You can’t finish the book in less than an hour, I suppose? -----________.
They said good-bye, little knowing that they_______ again.