—You may find the key to the math problem on page 107.—Ah, it's so simple. I wonder why I _____ of that.
#100893
A
hadn’t thought
B
haven't thought
C
didn't think
D
wasn't thinking
推荐题目
My sister-in-law___________ my brother for ten years.
#102198
A
married with
B
has married
C
has been married with
D
has been married to
 --Why were you not at the concert last night?--I _______a close game between Seattle and Miami.
#100375
A
watched
B
had watched
C
have been watching
D
was watching
My parents have promised to come to see me before I ____for Africa.
#102732
A
have left
B
leave
C
left
D
will leave