-—David has gone to Australia on business.—Really? I ______ why he was absent from today’s meeting.
#101832
A
am wondering
B
wonder
C
was wondering
D
had wondered
推荐题目
He said he ____ an American before.
#104150
A
has never met
B
had never met
C
would never meet
D
was never met
My pain _____ obvious the moment I entered the office，for the first man I met asked pitifully，“Are you feeling all right？”
#104459
A
could be
B
could have been
C
must be
D
must have been
—Can you tell me what time the flight to Detroit leaves?—I’m sorry, but it _______________.
#100400
A
has been canceled
B
had been canceled
C
has canceled
D
had canceled
Up to now，the program________thousands of children who would otherwise have died.
#99410
A
would save
B
saves
C
had saved
D
has saved
I _______ to help you but I was not able to spare any time.I _______ a paper last night and I'll have to finish it today.
#104536
A
wanted; have been writing
B
have wanted;wrote
C
had wanted; wrote
D
had wanted;was writing