Robots the house for us in the future.
#41540
A
clean
B
cleaned
C
will clean
D
/
推荐题目
There __________great changes in our hometown in the past fifteen years.
#37191
A
has been
B
have been
C
was
D
were
--Be quiet! The children ____________ now. --Oh, sorry.
#42391
A
sleep
B
slept
C
were sleeping
D
are sleeping
--- I bought the digital camera two months ago. --- You mean that you __________ it for two months.
#41864
A
have had
B
have been
C
have bought
D
have taken
Her uncle _________ to the factory .He will be back __________ an hour .
#41856
A
has gone, after
B
has been, in
C
has gone, in
D
has been, after