—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
I’m glad to see that you ________ a lot of progress since I ________ you last. 
#104786
A
will make; have met
B
have been making; met
C
had made; met
D
have made; meeting
It is the first time that Michel _______ the Summer Palace.
#99257
A
is visiting
B
visits
C
has visited
D
will visit
My house _____ when you visited Beijing last time, so I didn’t invite you to my home. 
#101211
A
was being decorated
B
is being decorated
C
has been decorated
D
was decorated