His mother looked very tired，for she _____ the house herself all day.
#102009
A
had cleaned
B
has been cleaning
C
had been cleaning
D
has cleaned
推荐题目
The Wolf and the Lamb _____so popular that some children went to see it for a second time.
#102713
A
were
B
was
C
have been
D
has been
I have called the station and they told me the next train for Chongqing _____at 2:30.
#103073
A
will leave
B
left
C
has left
D
leaves
Chinese government has built new houses to ____ the homeless people in the flooded area.
#101193
A
save
B
seat
C
house
D
praise
My mind wasn't on what he was saying so I'm afraid I ______ half of it.
#101245
A
was missing
B
had missed
C
will miss
D
missed
---Alice, why didn’t you come yesterday?---I ____, but I had an unexpected visitor.
#101647
A
was going to
B
would
C
had
D
did