she exercise every day?  
#38524
A
Do
B
Doing
C
Does
D
Did
推荐题目
—How clean the room is!   —Yes,I am sure that someone _______ it.
#36374
A
cleans
B
cleaned
C
has cleaned
D
had cleaned
We _____ more than 1,200 English words already, do you know?
#38250
A
learn
B
will learn
C
have learned
D
are learning