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
The vegetables didn’t taste good. They ____ too long.
#103280
A
had cooked
B
cooked
C
had been cooked
D
were cooked
 — Ann is in hospital.— Oh, really? I ______ know. I ______ go and visit her.
#99804
A
didn't, am going to
B
don't, would
C
don't, will
D
didn't, will
She calls back whenever someone ______ her a message.
#99397
A
left
B
leaves
C
had left
D
will leave