【简答题】Section B Directions: There are 5 incomplete statements here. You should fill in each blank with the proper form of the word given in brackets. Write the word or words in the corresponding space on th...
【单选题】Fill in the blank in each sentence with a word or phrase taken from the given words in appropriate form:Because the Earth is a sphere (球形), sailors ________ only can view other ships to a distance of ...