Knowing how long the test would last, the students who finished ____ back and waited until the end of the exam.
——Did you write to Grace last summer ? ——No, but I’ll her over Christmas vacation .
——Would you like to wait here for ? ——No, I have been here that long .
——You missed a good chance . ——Yes , I that job when it was offered .
——May I use your phone ? ——.I’m expecting a call .
—Do you think David will fail in the maths exam again? —____________.