It’s said that corn was grown a lot in Tibet _______.
#81459
A
in 17th century
B
in the 17th century
C
in 17 century
D
in the 17 century
推荐题目
He ___ on the grass, looking at the clouds in the sky.
#81216
A
is laying
B
is lying
C
has laid
D
has lied
We arrived on the platform just as the train was   . 
#70709
A
pulling up
B
pulling down
C
pulling out
D
pulling into
It was very difficult to ______ the excited football fans.
#69916
A
set down
B
put down
C
come down
D
calm down