I had been working on math for the whole afternoon and the numbers        before my eyes.
#102156
A
swim
B
swum
C
swam
D
had swum
推荐题目
 Scientists think that the continents ____ always where they ___today.
#104180
A
aren't; are
B
aren't; were
C
weren't; are
D
weren't; were
—You must have met him the other day. —Oh, no, I ________ . 
#104752
A
hadn’t
B
mustn’t
C
haven’t
D
didn’t
--Peter, hurry up! You ______ on the phone.--Oh, I ______. Thank you.
#101065
A
are being wanted; come
B
are wanted; am coming
C
want; come
D
will be wanted; should come
I didn’t hear the telephone ringing. I _____.
#103291
A
slept like a dog
B
slept like a pig
C
slept like a mouse
D
slept like a log