It is widely accepted that animals learn to do things because their certain acts lead to _______.
#6274
A
rewards
B
prize
C
awards
D
results
推荐题目
He is ___ with the striking workers.
#6219
A
sympathy
B
synthetic
C
sympathetic
D
sympathize
—Hello, I’d like to speak to Henry. —Oh, which _______? There are two ______ in our office.
#7224
A
Henrys, Henrys  
B
Henries, Henries
C
Henry, Henrys  
D
Henrys, Henries