In Britain ______are all painted red.
#27840
A
letter boxes
B
letters boxes
C
letter box
D
letters box
推荐题目
Parents often tell their children not to talk to________.
#27764
A
artists
B
strangers
C
captains
D
steward
______ is a capital city. 
#29449
A
New York
B
Sydney
C
Toronto
D
Tokyo
Eating a ________diet helps us to keep a _________of yin and yang.
#29367
A
balanced; balance
B
balance; balance
C
balancing; balancing
D
balance; balanced