She looked at me ______ great surprise and asked after a long while, “Did you leave for Beijing this morning”
________ he ________ anything about this historic site— Yes That’s why he suddenly becomes so obsessed with it
iversity is saving $ 300,000 per year by its energy ______ efforts.
Students are required to _______ down what the teachers teach in class. Which of the following is wrong?
What do you mean—I’m saying that we need to be careful about ______