18. Out ________, with a ruler in his hand. A. did he rush B. rushed he C. hChina has already sent up three spacecraft, the most recent at the end of last March. A. has been launched B. having been launched C. being launched D. to be launched为什么选B

问题描述:

18. Out ________, with a ruler in his hand. A. did he rush B. rushed he C. h
China has already sent up three spacecraft, the most recent at the end of last March.
A. has been launched B. having been launched
C. being launched D. to be launched
为什么选B