---- An ant has two stomachs --- one for itself and the other for others. ----Really? Quite interesting. I ________ anything about it.
#102385
A
don’t know
B
hadn’t known
C
haven’t known
D
didn’t know
推荐题目
Prices____ all the time and no one knows when they         stable.
#101890
A
are going up; become
B
have been going up; will become
C
have gone up; will become
D
have been gone up; become
Quantities of water ________for cooling in the only one of the factories that ________steel.
#102723
A
has been needed;produces
B
have been needed;produce
C
is needed;produce
D
are needed;produces