John rushed out in a hurry, ___________ the door ____________.
#96712
A
leaving; unlocked
B
leaving; unlocking
C
left; unlocked
D
sang; singing
推荐题目
The new government decided to encourage industries ______ technology, which was ______ biology.
#93221
A
basing on; linked to
B
being based on; linking with
C
based on; linked with
D
to base on; linked