All flights ________ because of the snowstorm, many passengers could do nothing but take the train. A) had been canceled B) have been canceled C) were canceled D) having been canceled
【单选题】Section A Directions: This section is to test your ability to give proper answers to questions. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoke...
【单选题】Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The ...