________this problem, they don’t know how to deal with it.
#95133
A
Face
B
Faced
C
Facing
D
To be faced
推荐题目
She did nothing _______ at the photo. 
#98774
A
except look
B
but to look
C
except to look
D
but looking
While watching television,          .
#88583
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings