. ----______are they staying in Beijing?----For three days. 
#35605
A
How often
B
How long
C
How old
D
How soon
推荐题目
.Not all the students sitting in the back row can see the words on the blackboard _________.
#35292
A
enough clear
B
clear enough
C
clearly enough
D
enough clearly
  Some robots are ______ to do the same things ______people.
#35170
A
enough smart; as
B
enough smart; with
C
smart enough; as
D
smart enough; for
The question is so hard. None of them can answer it _________.
#35911
A
correct
B
incorrect
C
correctly
D
incorrectly