— Why? Tom, your shirt is so dirty! — Mum, I __ my storeroom downstairs。
#104430
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning
推荐题目
The ticket       two people to the palace ball.
#101571
A
permits
B
admits
C
promises
D
awards
I can guess you were in a hurry. You       your sweater inside out.  
#99961
A
had worn
B
wore
C
were wearing
D
are wearing
My mother doesn’t approve_______ abroad to study before graduation from high school.
#103139
A
me to go
B
me to going
C
of me to go
D
of me going
—Put these glasses away before they        .—OK.I'll put them in the cupboard.
#99377
A
have broken
B
are breaking
C
will be broken
D
get broken