I have little doubt     the plan will succeed. 
#31620
A
that
B
if
C
whether
D
because
推荐题目
________ I heard the song by Taylor Swift, I was kept in its power.
#31521
A
First time
B
For the first time
C
The first time
D
At the first time
 Much to my surprise, she _________ tears __________ she read the letter.
#30089
A
burst out; instant
B
burst into; the instant
C
burst out; instantly
D
burst into; instant