“ Although ,” the boy said , “ _______ over and over , the maths problem remained confusing to me ” .
#81999
A
explained
B
explain
C
explaining
D
having explained
推荐题目
Only after you have reached eighteen _______ the army.
#81983
A
you can join
B
can you join
C
you can join in
D
can you join in
Never before ______ such a wonderful place ______ Qingdao.
#82359
A
have I been to; as
B
I have been to; like
C
have I been to; like
D
I have been to; as
I have been working with Lily for years, and never before her so serious!
#82705
A
I found
B
I have found
C
did I find
D
have I found
I don’t know the restaurant，but it is ____ to be quite a good one.
#82054
A
said
B
told
C
spoken
D
talked
It’s years since we last saw each other .So much____ that I can hardly recognize him.
#80885
A
has he changed
B
he has changed
C
he does change
D
he changes