—Excuse me, sir. Would you do me a favor?—Of course. What is it?—I ________ if you could tell me how to fill out this form. 
#104772
A
had wondered
B
was wondering
C
would wonder
D
did wonder
推荐题目
When I called you this morning, nobody answered the phone. Where ________? 
#104733
A
did you go
B
have you gone
C
were you
D
had you been
— We haven’t heard from Jane for a long time.— What do you suppose ______ to her?
#100768
A
was happening
B
has happened
C
to happen  
D
having happened