1. The class went on with the story _______they had left it before the holiday.(A)
A. where B. which C. in which D. when
2. You can go out _______ you promise to be back before 10 o’clock.(B)
A. now that B. so long as C. so that D. as far as
3. _______ others say, the Professor is sure that his theory is correct.(C)
A. No matter B. It doesn’t matter C .Whatever D. What
4. The crowd started cheering _______he rose to speak. (A)