question_answer

Read the following passage carefully and choose the correct options that can replace the relative underlined portions.

In 1936, the largest man-made object Q11 to the air. It Q12 the German passenger airship ? the Hindenburg. At that time, the Hindenburg was an engineering feat both in size and in the amount of gas it could Q13. This Q14 that more passengers Q15 in each trip and the airship Q16 for longer distances. Other aeroplanes at that time Q17 for short periods before they had Q18 and a substantial airlift meant that there had to be as little weight as possible in the aeroplanes. The Hindenburg Q19 to Q20 with helium.

A)                       carry         

B)                                      carried

C)                      carrying

D)                                      be carried