Playing with _______ robot is _______ unusual experience for me.
—Hello! Can I speak to Chris? —Sorry, he isn’t in. He _______ Japan on business.A. has been to B. has gone C. has gone to
—_____ is the population of America?—I don’t know. But I know it’s _______ than that of China.A. What; smaller B. How much; smaller C. What; less
_______ your help, we can finish the task on time.A. Except B. Without C. Thanks to
—The dictionary is a useful _______ for understanding new words.—I think so.A. plan B. tool C. way
---Shall we go hiking tomorrow? -----______.The radio says it will rain .