英语题2道大家帮忙
问题描述：
英语题2道大家帮忙
1.He___________the case before people could know it.
A. might investigate
B. might have been investigating
C. might have investigated
D. might have been investigated
2.The plane___________off.
A. take
B. may have been taken
C. may be taking
D. was taken
求助
答
1.C
2.C