—Who do you think will get the first prize?     —Mary, of course. She ________ for the competition for months.
#100967
A
is preparing
B
was preparing
C
has been preparing
D
had been preparing
推荐题目
—Remember the first time we met? —Sure. You ____in the supermarket. 
#103252
A
shopped
B
have shopped
C
had shopped
D
were shopping
—why, James, you look so tired! ---Well, I _____the house and I must finish the work tomorrow.
#103246
A
was painting
B
will be painting
C
have painted
D
have been painting
I ________ your last point — could you say it again? 
#104730
A
didn’t quite catch
B
don’t quite catch
C
hadn’t quite catch
D
can’t quite catch