There are certain _______when you have to interrupt people who are in the middle of doing something.
#7085
A
chances
B
situations
C
occasions
D
opportunities
推荐题目
Can you imagine that rats eat 40 to 50 times _______.
#6529
A
by weight
B
their weight
C
in weight
D
of their weight
. Our teacher has a __________ for thinking up ways _________ his speeches attractive.
#6509
A
gift, of making
B
gift, to making
C
knowledge, of making
D
knowledge, to make