He seems to be doing nothing, but _____ he is just waiting for his chance.
#23415
A
actually
B
gradually
C
frequently
D
certainly
推荐题目
I can spare you only a few minutes. Just tell me ____what happened.
#22969
A
personally
B
spiritually
C
thoroughly
D
briefly
Are you paying now, or shall I ______ to you? 
#24968
A
book it down
B
book it in
C
book it up
D
book it out
 Mr. Green ______ goes to the park for a walk with some friends after supper.
#22504
A
frequently
B
immediately
C
finally
D
completely