—You may find the key to the math problem on page 107.—Ah, it's so simple. I wonder why I _       of that.
#100442
A
hadn't thought
B
haven't thought
C
didn't think
D
wasn't thinking
推荐题目
  —What you said at the party hurt me deeply.— Sorry, but _______
#99038
A
I didn’t mean it
B
I didn’t mean to
C
I don’t mean it
D
I don’t mean to
The fire _______ before the fire-fighters arrived.
#103405
A
has been put out
B
was put out
C
had put out
D
had been put out
--- What on earth is that noise? --- Oh, the next flat ___________.
#100208
A
was decorated
B
was decorating
C
is being decorated
D
is to be decorated