1. What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.
A. was blamed B. was to be blamed C. was to blame D. would be blamed
2. Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.
A. crying; to save B. crying; saving C. to cry; to save D. cry; saving
3. ---I beg your pardon?
---Your mind must be ________ when I was speaking, wasn’t it?
A. wondering B. wandering C. walking D. speaking
