Nowadays, Internet shopping will really when people are sure that it is safe.
A. take off
B. take up
C. take away
D. take on
网友回答
(答案→)A. take off
B. take up
C. take away
D. take on
解析：句意：如今，当人们确保它的安全时互联网购物就会真得兴旺起来。A. take off起飞；B. take up占用；C. take away带走；D. take on呈现。故选A。
考点: 考查动词短语的用法。