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
My friend, who on the International Olympic Committee all his life, is retiring next month.
#101632
A
served
B
is serving
C
had served
D
has served
—Does Liu Hui serve in the army? —No, but he ________ in the army for three years.
#104726
A
served
B
has served
C
is serving
D
would serve
By the time he was twelve, Edison _______ to make a living by himself.
#101794
A
would begin
B
has begun
C
had begun
D
began
--- Got your US visa?---Not yet. I too busy to apply for an appointment, so I didn’t go to Shanghai last week?
#99861
A
was
B
have been
C
had been
D
would be
Cathy went to the hospital alone. If she had told me about it, I with her.
#103010
A
had gone
B
would have gone
C
would go
D
went