The retired man donated most of his savings to the school damaged by the earthquake in Yushu, _______ the students to return to their classrooms.
It is by no means clear___the president can do to end the strike
If we___adequate preparations,the conference wouldn’t have been so successful
We would have called a taxi yesterday if Harold___us a ride home
It’s quite warm here;we___turn the heating on yet
I’m going to Europe on vacation together with John if I___find the money