In Britain ______are all painted red.
#27840
A
letter boxes
B
letters boxes
C
letter box
D
letters box
推荐题目
 Professor Li gave us a very useful ________ on how to prepare for the exam.  
#27893
A
advice
B
information
C
experience
D
suggestion
He is in good _______. He’s pretty ________.
#29738
A
health, health
B
healthy, healthy
C
health, healthy
D
healthy, health