At first, we didn't know about Tom. But
问题:
At first, we didn't know about Tom. But ____, we came to know that he was an honest boy.
A.suddenly
B.luckily
C.gradually
D.slightly
At first, we didn't know about Tom. But ____, we came to know that he was an honest boy.
A.suddenly
B.luckily
C.gradually
D.slightly