--- Why? Tom, your shirt is so dirty! --- Mum, I ______ my storeroom downstairs.
#104102
A
cleaned
B
have cleaned
C
was cleaning
D
have been cleaning
推荐题目
By the time Jack returned home from England, his son __________from college.
#101958
A
graduated
B
has graduated
C
had been graduating
D
had graduated
They won’t buy new clothes because they＿＿＿money to buy a color TV set.
#104662
A
save
B
are saving
C
has saved
D
were saving
The teacher said that Columbus _______America in 1492.
#102954
A
discovered
B
found
C
had discovered
D
had found
一Peter, have you got your new flat furnished?一Yes．I some used furniture and it was a real bargain．
#99332
A
will buy
B
have bought
C
bought
D
had bought
Before she realized what happened, she got ___ on the head and lost consciousness.
#104921
A
hit
B
to be hit
C
hitting
D
to have been hit